{"id":40571,"date":"2026-02-11T00:32:37","date_gmt":"2026-02-11T08:32:37","guid":{"rendered":"https:\/\/www.privateinternetaccess.com\/blog\/?p=40571"},"modified":"2026-08-19T07:03:57","modified_gmt":"2026-08-19T14:03:57","slug":"what-is-dns","status":"publish","type":"post","link":"https:\/\/www.privateinternetaccess.com\/ja\/blog\/what-is-dns\/","title":{"rendered":"DNS\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u958b\u304f\u306e\u306f\u4e00\u77ac\u306e\u3088\u3046\u306b\u611f\u3058\u307e\u3059\u304c\u3001\u5b9f\u306f\u305d\u306e\u524d\u306b\u7d20\u65e9\u3044\u691c\u7d22\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u30da\u30fc\u30b8\u304c\u8aad\u307f\u8fbc\u307e\u308c\u308b\u524d\u306b\u3001\u5229\u7528\u3057\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\u304c\u305d\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u3092\u7279\u5b9a\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u6d3b\u8e8d\u3059\u308b\u306e\u304cDNS\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001DNS\u3068\u306f\u4f55\u304b\u3001\u691c\u7d22\u30d7\u30ed\u30bb\u30b9\u306e\u4ed5\u7d44\u307f\u3001\u306a\u305cDNS\u304c\u91cd\u8981\u306a\u306e\u304b\u3001\u305d\u3057\u3066\u901a\u4fe1\u901f\u5ea6\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u306e\u304b\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"wid\" class=\"wp-block-heading\">DNS\u3068\u306f\uff1f\u306a\u305c\u91cd\u8981\u306a\u306e\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0\uff08DNS\uff09\u306f\u3001\u4eba\u306b\u308f\u304b\u308a\u3084\u3059\u3044\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u540d\u3092\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304c\u901a\u4fe1\u5148\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u3046\u6570\u5024\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DNS\u304c\u306a\u3051\u308c\u3070\u3001\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3073\u306b\u9577\u3044\u6570\u5b57\u306e\u6587\u5b57\u5217\uff08<a href=\"https:\/\/www.privateinternetaccess.com\/ja\/what-is-my-ip\">IP\u30a2\u30c9\u30ec\u30b9<\/a>\uff09\u3092\u899a\u3048\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u4f8b\u3048\u3070\u3001privateinternetaccess.com\u306e\u4ee3\u308f\u308a\u306b192.0.2.1\u306e\u3088\u3046\u306a\u6570\u5b57\u3092\u5165\u529b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002DNS\u306e\u304a\u304b\u3052\u3067\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u3088\u308a\u901f\u304f\u3001\u7c21\u5358\u306b\u5229\u7528\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DNS\u306f\u3001\u7279\u5b9a\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u6307\u3059\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<a href=\"#tod1\">\u8907\u6570\u306e\u30ea\u30be\u30eb\u30d0\u30fc\u3084\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306a\u308b\u5206\u6563\u578b\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/a>\u304c\u9023\u643a\u3057\u3066\u3001\u554f\u3044\u5408\u308f\u305b\u306b\u5fdc\u3058\u3066\u5fc5\u8981\u306a\u60c5\u5831\u3092\u8fd4\u3057\u3001\u901a\u4fe1\u304c\u30b9\u30e0\u30fc\u30ba\u306b\u884c\u308f\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.privateinternetaccess.com\/blog\/wp-content\/uploads\/2026\/08\/JA-DNS-Key-Takeaways-Japanese.png\" alt=\"DNS\u306e\u4e3b\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u307e\u3068\u3081\u305f\u56f3\u3002\u30c9\u30e1\u30a4\u30f3\u540d\u304b\u3089IP\u30a2\u30c9\u30ec\u30b9\u3078\u306e\u5909\u63db\u3001\u8fc5\u901f\u306a\u540d\u524d\u89e3\u6c7a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u4e0a\u306e\u30e1\u30ea\u30c3\u30c8\u306a\u3069\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\"><\/figure>\n\n\n\n<h2 id=\"hdd\" class=\"wp-block-heading\">DNS\u306e\u4ed5\u7d44\u307f\u3092\u30b9\u30c6\u30c3\u30d7\u3054\u3068\u306b\u89e3\u8aac<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u304d\u3001\u88cf\u5074\u3067\u306f\u6b21\u306e\u3088\u3046\u306a\u51e6\u7406\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d6\u30e9\u30a6\u30b6\u306b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u540d\u3092\u5165\u529b\u3059\u308b\u3002<\/strong><em>example.com<\/em>\u306e\u3088\u3046\u306a\u30c9\u30e1\u30a4\u30f3\u3092\u5165\u529b\u3057\u307e\u3059\u3002\u30b5\u30a4\u30c8\u3092\u8aad\u307f\u8fbc\u3080\u306b\u306f\u3001\u305d\u306e\u30b5\u30a4\u30c8\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30c7\u30d0\u30a4\u30b9\u304c\u30ed\u30fc\u30ab\u30ebDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/strong>\u307e\u305a\u3001\u30d6\u30e9\u30a6\u30b6\u307e\u305f\u306fOS\u304c\u904e\u53bb\u306b\u540c\u3058\u30b5\u30a4\u30c8\u3092\u8a2a\u554f\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3082\u3057\u3042\u308c\u3070\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u30e1\u30e2\u30ea\u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u3059\u3050\u306b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u63a5\u7d9a\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u518d\u5e30DNS\u30ea\u30be\u30eb\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u3002<\/strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u60c5\u5831\u304c\u306a\u3044\u5834\u5408\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u518d\u5e30DNS\u30ea\u30be\u30eb\u30d0\u30fc\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u308a\u307e\u3059\u3002\u518d\u5e30DNS\u30ea\u30be\u30eb\u30d0\u30fc\u306f\u901a\u5e38\u3001ISP\u3084Google\u3001Cloudflare\u306a\u3069\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u904b\u55b6\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u304b\u3089\u306f\u30ea\u30be\u30eb\u30d0\u30fc\u304c\u4ee3\u308f\u308a\u306b\u691c\u7d22\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30ea\u30be\u30eb\u30d0\u30fc\u304c\u81ea\u8eab\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/strong>\u6700\u8fd1\u540c\u3058\u30b5\u30a4\u30c8\u3092\u691c\u7d22\u3057\u3066\u3044\u308c\u3070\u3001\u3059\u3067\u306b\u305d\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u4fdd\u5b58\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u306a\u3051\u308c\u3070\u3001\u691c\u7d22\u3092\u7d9a\u3051\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30ea\u30be\u30eb\u30d0\u30fc\u304c\u30eb\u30fc\u30c8DNS\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u3002<\/strong>\u30eb\u30fc\u30c8DNS\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u6b21\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u3079\u304dTLD\uff08\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\u30c9\u30e1\u30a4\u30f3\uff09\u30b5\u30fc\u30d0\u30fc\uff08\u3053\u306e\u5834\u5408\u306f.com\uff09\u306e\u60c5\u5831\u3092\u30ea\u30be\u30eb\u30d0\u30fc\u306b\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30ea\u30be\u30eb\u30d0\u30fc\u304cTLD\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3059\u308b\u3002<\/strong>\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30af\u30a8\u30ea\u306b\u5fdc\u3058\u3066.com\u3084.net\u306a\u3069\u3067\u7d42\u308f\u308b\u30c9\u30e1\u30a4\u30f3\u3092\u7ba1\u7406\u3057\u3066\u304a\u308a\u3001example.com\u306e\u6a29\u5a01\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30ea\u30be\u30eb\u30d0\u30fc\u304c\u6a29\u5a01\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3059\u308b\u3002<\/strong>\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u5fc5\u8981\u306a\u60c5\u5831\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u7ba1\u7406\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u3092\u30ea\u30be\u30eb\u30d0\u30fc\u306b\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30ea\u30be\u30eb\u30d0\u30fc\u304c\u30d6\u30e9\u30a6\u30b6\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u8fd4\u3059\u3002<\/strong>\u3053\u308c\u3067\u30c7\u30d0\u30a4\u30b9\u306f\u3069\u3053\u306b\u63a5\u7d9a\u3059\u308c\u3070\u3044\u3044\u304b\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u76f4\u63a5\u63a5\u7d9a\u3057\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u3092\u958b\u59cb\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u691c\u7d22\u7d50\u679c\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u308b\u3002<\/strong>\u6b21\u56de\u306e\u691c\u7d22\u3092\u901f\u304f\u3059\u308b\u305f\u3081\u306b\u3001\u30c7\u30d0\u30a4\u30b9\u3068\u30ea\u30be\u30eb\u30d0\u30fc\u306e\u4e21\u65b9\u304c\u3057\u3070\u3089\u304f\u306e\u9593\u3053\u306e\u7d50\u679c\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8907\u96d1\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u3059\u3079\u3066\u306e\u30b9\u30c6\u30c3\u30d7\u304c\u30df\u30ea\u79d2\u5358\u4f4d\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/strong> \u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306f\u3001\u5358\u306b\u30b5\u30a4\u30c8\u304c\u8aad\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<h2 id=\"tod1\" class=\"wp-block-heading\">DNS\u30b5\u30fc\u30d0\u30fc\u306e\u7a2e\u985e<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.privateinternetaccess.com\/blog\/wp-content\/uploads\/2026\/08\/JA-Types-of-DNS-servers-Japanese.png\" alt=\"\u3055\u307e\u3056\u307e\u306aDNS\u30b5\u30fc\u30d0\u30fc\u306e\u7a2e\u985e\u3068\u305d\u306e\u5f79\u5272\u3092\u793a\u3057\u305f\u56f3\"><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u518d\u5e30DNS\u30ea\u30be\u30eb\u30d0\u30fc\u3002<\/strong>\u30c7\u30d0\u30a4\u30b9\u304c\u6700\u521d\u306b\u76f4\u63a5\u554f\u3044\u5408\u308f\u305b\u308b\u30b5\u30fc\u30d0\u30fc\u3067\u3059\u3002\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u306a\u304c\u3089\u3001\u6b63\u3057\u3044IP\u30a2\u30c9\u30ec\u30b9\u3092\u63a2\u3057\u51fa\u3057\u3001\u305d\u306e\u7b54\u3048\u3092\u30d6\u30e9\u30a6\u30b6\u306b\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30eb\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u3002<\/strong>\u30eb\u30fc\u30c8\u30b5\u30fc\u30d0\u30fc\u306f\u6c42\u3081\u3089\u308c\u3066\u3044\u308bIP\u30a2\u30c9\u30ec\u30b9\u81ea\u4f53\u306f\u77e5\u308a\u307e\u305b\u3093\u304c\u3001\u30ea\u30be\u30eb\u30d0\u30fc\u304c\u3069\u3053\u304b\u3089\u691c\u7d22\u3092\u59cb\u3081\u308b\u3079\u304d\u304b\u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u3002\u30c9\u30e1\u30a4\u30f3\u306e\u62e1\u5f35\u5b50\uff08.com\u3001.net\u3001.org\u306a\u3069\uff09\u306b\u57fa\u3065\u3044\u3066\u3001\u9069\u5207\u306aTLD\u30b5\u30fc\u30d0\u30fc\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>TLD\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3002<\/strong>com\u3084.org\u306a\u3069\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u30b0\u30eb\u30fc\u30d7\u3092\u7ba1\u7406\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3067\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u81ea\u4f53\u306f\u6301\u3063\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u30c9\u30e1\u30a4\u30f3\u306e\u6a29\u5a01\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3092\u628a\u63e1\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u6a29\u5a01\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u3002<\/strong>IP\u30a2\u30c9\u30ec\u30b9\u3092\u542b\u3080\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u5b9f\u969b\u306eDNS\u30ec\u30b3\u30fc\u30c9\u3092\u4fdd\u6301\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u3067\u3059\u3002<strong>\u6a29\u5a01\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306b\u306f2\u7a2e\u985e\u3042\u308a\u307e\u3059\u3002<\/strong> \u5143\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u4fdd\u5b58\u3059\u308b\u30d7\u30e9\u30a4\u30de\u30ea\u3068\u3001\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u305d\u306e\u30b3\u30d4\u30fc\u3092\u4fdd\u6301\u3059\u308b\u30bb\u30ab\u30f3\u30c0\u30ea\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-dns\u30af\u30a8\u30ea\u306e\u7a2e\u985e\" class=\"wp-block-heading\">DNS\u30af\u30a8\u30ea\u306e\u7a2e\u985e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3059\u3079\u3066\u306eDNS\u30af\u30a8\u30ea\u304c\u4e0a\u8a18\u306e\u30d7\u30ed\u30bb\u30b9\u5168\u4f53\u3092\u7d4c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/strong>\u3002\u3059\u3067\u306b\u308f\u304b\u3063\u3066\u3044\u308b\u3053\u3068\u3084\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u3066\u3044\u308b\u5185\u5bb9\u306b\u3088\u3063\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u5b9f\u884c\u3059\u308bDNS\u30af\u30a8\u30ea\u306e\u7a2e\u985e\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30af\u30a8\u30ea\u306e\u7a2e\u985e\u3092\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u3067\u3001DNS\u306f\u901f\u5ea6\u3068\u6b63\u78ba\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308a\u306a\u304c\u3089\u3001\u3067\u304d\u308b\u3060\u3051\u901f\u304f\u6b63\u3057\u3044\u60c5\u5831\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"h-\u518d\u5e30\u30af\u30a8\u30ea\" class=\"wp-block-heading\">\u518d\u5e30\u30af\u30a8\u30ea<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u518d\u5e30\u30af\u30a8\u30ea\u3067\u306f\u3001<strong>\u30c7\u30d0\u30a4\u30b9\u304cDNS\u30ea\u30be\u30eb\u30d0\u30fc\u306b\u6700\u7d42\u7684\u306a\u7b54\u3048\u3092\u8fd4\u3059\u3088\u3046\u6c42\u3081\u307e\u3059<\/strong>\u3002\u30ea\u30be\u30eb\u30d0\u30fc\u306f\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4ed6\u306eDNS\u30b5\u30fc\u30d0\u30fc\u306b\u3082\u554f\u3044\u5408\u308f\u305b\u3001\u6700\u7d42\u7684\u306aIP\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<a href=\"#hdd\">\u6700\u521d\u304b\u3089\u6700\u5f8c\u307e\u3067\u306e\u691c\u7d22\u30d7\u30ed\u30bb\u30b9\u3092\u30ea\u30be\u30eb\u30d0\u30fc\u304c\u3059\u3079\u3066\u62c5\u5f53\u3057\u307e\u3059<\/a>\u3002<\/p>\n\n\n\n<h3 id=\"h-\u53cd\u5fa9\u30af\u30a8\u30ea\" class=\"wp-block-heading\">\u53cd\u5fa9\u30af\u30a8\u30ea<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u53cd\u5fa9\u30af\u30a8\u30ea\u3067\u306f\u3001\u30ea\u30be\u30eb\u30d0\u30fc\u304c<strong>DNS\u30b5\u30fc\u30d0\u30fc\u306b\u9806\u756a\u306b\u554f\u3044\u5408\u308f\u305b\u3001\u305d\u308c\u305e\u308c\u306e\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u5f97\u3089\u308c\u308b\u6700\u3082\u9069\u5207\u306a\u60c5\u5831\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059<\/strong>\u3002 \u30b5\u30fc\u30d0\u30fc\u304c\u6700\u7d42\u7684\u306a\u60c5\u5831\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u6b21\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u30b5\u30fc\u30d0\u30fc\u3092\u30ea\u30be\u30eb\u30d0\u30fc\u306b\u793a\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u6a29\u5a01\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306b\u5230\u9054\u3057\u3066IP\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3059\u308b\u307e\u3067\u7d9a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"h-\u975e\u518d\u5e30\u30af\u30a8\u30ea\" class=\"wp-block-heading\">\u975e\u518d\u5e30\u30af\u30a8\u30ea<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u975e\u518d\u5e30\u30af\u30a8\u30ea\u306f\u6700\u3082\u901f\u3044\u7a2e\u985e\u306e\u30af\u30a8\u30ea\u3067\u3001<strong>\u30ea\u30be\u30eb\u30d0\u30fc\u304c\u3059\u3067\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3066\u3044\u3066\u5373\u5ea7\u306b\u8fd4\u305b\u308b\u72b6\u614b\u306b\u3042\u308b\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059<\/strong>\u3002\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001\u3059\u3050\u306b\u7b54\u3048\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"cda\" class=\"wp-block-heading\">DNS\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901f\u5ea6\u306b\u5f71\u97ff\u3059\u308b\u306e\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DNS\u306f\u4e88\u60f3\u4ee5\u4e0a\u306b\u5927\u304d\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u307b\u3069\u8aac\u660e\u3057\u305f\u3088\u3046\u306b\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3073\u306b\u3001\u30d6\u30e9\u30a6\u30b6\u306f\u30c9\u30e1\u30a4\u30f3\u540d\u3092IP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306fDNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u547c\u3070\u308c\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u884c\u308f\u308c\u307e\u3059\u3002<strong>\u901a\u5e38\u306f\u6570\u30df\u30ea\u79d2\u3057\u304b\u304b\u304b\u308a\u307e\u305b\u3093\u304c\u3001DNS\u30b5\u30fc\u30d3\u30b9\u304c\u9045\u304b\u3063\u305f\u308a\u4e0d\u5b89\u5b9a\u3060\u3063\u305f\u308a\u3059\u308b\u3068\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u5168\u4f53\u304c\u9045\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DNS\u30b5\u30fc\u30d0\u30fc\u304c\u7269\u7406\u7684\u306b\u9060\u3044\u5834\u6240\u306b\u3042\u308b\u5834\u5408\u3084\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u96c6\u4e2d\u306b\u3088\u308b\u904e\u8ca0\u8377\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u89e3\u6c7a\u306e\u975e\u52b9\u7387\u306a\u3069\u306b\u3088\u3063\u3066\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u59cb\u307e\u308b\u524d\u306b\u9045\u5ef6\u3092\u611f\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901f\u5ea6\u306f\u95a2\u4fc2\u3042\u308a\u307e\u305b\u3093\u3002\u9ad8\u901f\u306a\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u56de\u7dda\u3067\u3082\u3001\u4f4e\u901f\u306aDSL\u63a5\u7d9a\u3067\u3082\u3001DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u9045\u3051\u308c\u3070\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u306f\u9045\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u65b9\u3001\u9ad8\u901f\u3067\u6700\u9069\u5316\u3055\u308c\u305fDNS\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u4f7f\u3048\u3070\u3001\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u8fc5\u901f\u304b\u3064\u52b9\u7387\u7684\u306b\u51e6\u7406\u3055\u308c\u307e\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u901f\u304f\u306a\u308a\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u4f53\u9a13\u304c\u3088\u308a\u30b9\u30e0\u30fc\u30ba\u306b\u306a\u308a\u307e\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u983b\u7e41\u306b\u95b2\u89a7\u3059\u308b\u65b9\u3084\u3001\u4e00\u65e5\u4e2d\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u4ed5\u4e8b\u3092\u3057\u3066\u3044\u308b\u65b9\u306f\u7279\u306b\u5b9f\u611f\u3057\u3084\u3059\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306fISP\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306eDNS\u30b5\u30fc\u30d0\u30fc\u3092\u5909\u66f4\u3057\u306a\u3044\u307e\u307e\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u304a\u305d\u3089\u304f\u3001\u9078\u629e\u80a2\u304c\u3042\u308b\u3053\u3068\u306b\u6c17\u3065\u3044\u3066\u3044\u306a\u3044\u304b\u3089\u3067\u3057\u3087\u3046\u3002PIA VPN DNS\u3001Cloudflare\uff081.1.1.1\uff09\u3001Google Public DNS\uff088.8.8.8\uff09\u3001Quad9\u306a\u3069\u3001\u3088\u308a\u9ad8\u901f\u307e\u305f\u306f\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u91cd\u8996\u306e\u30ea\u30be\u30eb\u30d0\u30fc\u306b\u5207\u308a\u66ff\u3048\u308b\u3068\u3001\u9055\u3044\u3092\u5b9f\u611f\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d6\u30e9\u30a6\u30b6\u3068\u30c7\u30d0\u30a4\u30b9\u306eOS\u306fDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4fdd\u6301\u3057\u3066\u3044\u308b\u3053\u3068\u3082\u899a\u3048\u3066\u304a\u304f\u3068\u3044\u3044\u3067\u3057\u3087\u3046\u3002\u6700\u8fd1\u8a2a\u554f\u3057\u305f\u30b5\u30a4\u30c8\u3067\u3042\u308c\u3070\u3001DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u7e70\u308a\u8fd4\u3059\u4ee3\u308f\u308a\u306b\u4fdd\u5b58\u3055\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u3048\u308b\u305f\u3081\u3001\u6642\u9593\u306e\u7bc0\u7d04\u3084\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u524a\u6e1b\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u304c\u3001\u3088\u304f\u8a2a\u554f\u3059\u308b\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u901f\u304f\u611f\u3058\u3089\u308c\u308b\u7406\u7531\u306e\u3072\u3068\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background-color: #cfe2f3; padding: 1em; border-radius: 1em;\"><p class=\"wp-block-paragraph\"><strong>DNS\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3067\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u3092\u9ad8\u901f\u5316\u3059\u308b\u30dd\u30a4\u30f3\u30c8<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.privateinternetaccess.com\/ja\/buy-vpn-online\">PIA VPN<\/a>\u306f\u3001\u4f4e\u901f\u306aISP\u306e\u30a4\u30f3\u30d5\u30e9\u306b\u4f9d\u5b58\u305b\u305a\u3001\u72ec\u81ea\u306e\u9ad8\u6027\u80fd\u306aDNS\u30b5\u30fc\u30d0\u30fc\u3092\u7d4c\u7531\u3057\u3066DNS\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30ea\u30be\u30eb\u30d0\u30fc\u306f\u901f\u5ea6\u3068\u5b89\u5b9a\u6027\u3092\u91cd\u8996\u3057\u3066\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u3088\u308a\u8fc5\u901f\u306b\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u901f\u304f\u306a\u308a\u3001\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u5168\u4f53\u3082\u3088\u308a\u30b9\u30e0\u30fc\u30ba\u306b\u306a\u308a\u307e\u3059\u3002\u7279\u306b\u3001\u901a\u4fe1\u306e\u9045\u5ef6\u304c\u5927\u304d\u3044\u5834\u5408\u3084\u56de\u7dda\u304c\u6df7\u96d1\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u305d\u306e\u52b9\u679c\u3092\u5b9f\u611f\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p><\/div>\n\n\n\n<h2 id=\"h-dns\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\" class=\"wp-block-heading\">DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u95a2\u9023\u3059\u308bDNS\u60c5\u5831\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u8a00\u3044\u307e\u3059\u3002Windows\u3001macOS\u3001Linux\u306b\u306f\u3001\u3053\u306e\u305f\u3081\u306e<strong>nslookup<\/strong>\u3068\u3044\u3046\u30c4\u30fc\u30eb\u304c\u6a19\u6e96\u642d\u8f09\u3055\u308c\u3066\u304a\u308a\u3001\u30b5\u30a4\u30c8\u306eDNS\u30ec\u30b3\u30fc\u30c9\u306b\u542b\u307e\u308c\u308b\u60c5\u5831\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u3084\u30e1\u30fc\u30eb\u30b5\u30fc\u30d0\u30fc\u306e\u30ec\u30b3\u30fc\u30c9\u306a\u3069\u306e\u60c5\u5831\u3092\u7c21\u5358\u306b\u53d6\u5f97\u3067\u304d\u308b\u4fbf\u5229\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002\u624b\u9806\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30bd\u30b3\u30f3\u3067\u30bf\u30fc\u30df\u30ca\u30eb\u30a2\u30d7\u30ea\u307e\u305f\u306f\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u958b\u304d\u307e\u3059\u3002\uff08Windows\u306e\u5834\u5408\u306f\u3001\u300c\u30b9\u30bf\u30fc\u30c8\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u300c\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u300d\u307e\u305f\u306f\u300ccmd\u300d\u3068\u5165\u529b\u3057\u3066\u958b\u304d\u307e\u3059\u3002\uff09<\/li>\n\n\n\n<li><em>nslookup<\/em>\u3068\u5165\u529b\u3057\u3066Enter\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308bDNS\u30b5\u30fc\u30d0\u30fc\u304c\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u554f\u3044\u5408\u308f\u305b\u5148\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>A\u30ec\u30b3\u30fc\u30c9\uff08IP\u30a2\u30c9\u30ec\u30b9\uff09\u3001MX\u30ec\u30b3\u30fc\u30c9\uff08\u30e1\u30fc\u30eb\u306e\u914d\u9001\u5148\u30b5\u30fc\u30d0\u30fc\uff09\u3001NS\u30ec\u30b3\u30fc\u30c9\uff08\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\uff09\u306a\u3069\u3001\u7279\u5b9a\u306e\u7a2e\u985e\u306eDNS\u30ec\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u306f\u3001<em>set<\/em><em> <\/em><em>type=recordtype<\/em>\u3068\u5165\u529b\u3057\u3066Enter\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001A\u30ec\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u3059\u308b\u5834\u5408\u306fset type=A\u3068\u5165\u529b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u691c\u7d22\u3057\u305f\u3044\u30c9\u30e1\u30a4\u30f3\u540d\uff08\u4f8b\uff1aprivateinternetaccess.com\uff09\u3092\u5165\u529b\u3057\u3066Enter\u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ec\u30b3\u30fc\u30c9\u60c5\u5831\u304c\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u76f4\u63a5\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"793\" height=\"353\" src=\"https:\/\/www.privateinternetaccess.com\/blog\/wp-content\/uploads\/2026\/02\/image-3.png\" alt=\"NSLookup\u3092\u4f7f\u3063\u3066\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8abf\u3079\u308b\" class=\"wp-image-36637\" srcset=\"https:\/\/www.privateinternetaccess.com\/blog\/wp-content\/uploads\/2026\/02\/image-3.png 793w, https:\/\/www.privateinternetaccess.com\/blog\/wp-content\/uploads\/2026\/02\/image-3-300x134.png 300w, https:\/\/www.privateinternetaccess.com\/blog\/wp-content\/uploads\/2026\/02\/image-3-768x342.png 768w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">DNS\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u305f\u308a\u3001\u30c9\u30e1\u30a4\u30f3\u306e\u540d\u524d\u89e3\u6c7a\u304c\u6b63\u3057\u304f\u884c\u308f\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u305f\u308a\u3059\u308b\u969b\u306b\u3082\u5f79\u7acb\u3064\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<h2 id=\"h-\u3088\u304f\u3042\u308bdns\u653b\u6483\u3068\u6ce8\u610f\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8\" class=\"wp-block-heading\">\u3088\u304f\u3042\u308bDNS\u653b\u6483\u3068\u6ce8\u610f\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DNS\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/strong> \u901f\u5ea6\u3068\u67d4\u8edf\u6027\u3092\u91cd\u8996\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u4fdd\u8b77\u3084\u60c5\u5831\u306e\u6539\u3056\u3093\u9632\u6b62\u306f\u60f3\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001<strong>\u653b\u6483\u8005\u306b\u60aa\u7528\u3055\u308c\u3001\u3055\u307e\u3056\u307e\u306a\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306b\u3064\u306a\u304c\u308b\u8106\u5f31\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee3\u8868\u7684\u306aDNS\u653b\u6483\u306e\u7a2e\u985e\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DNS\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u3002<\/strong>DNS\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3068\u3082\u547c\u3070\u308c\u3001DNS\u30af\u30a8\u30ea\u306e\u540d\u524d\u89e3\u6c7a\u306e\u4ed5\u7d44\u307f\u3092\u6539\u5909\u3059\u308b\u3053\u3068\u3067\u30e6\u30fc\u30b6\u30fc\u3092\u60aa\u610f\u306e\u3042\u308b\u30b5\u30a4\u30c8\u306b\u8a98\u5c0e\u3059\u308b\u653b\u6483\u3067\u3059\u3002\u30de\u30eb\u30a6\u30a7\u30a2\u3001\u4e0d\u6b63\u306a\u30eb\u30fc\u30bf\u30fc\u3001\u307e\u305f\u306f\u508d\u53d7\u3055\u308c\u305f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u901a\u3058\u3066DNS\u8a2d\u5b9a\u3092\u4e57\u3063\u53d6\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>DNS\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u3002<\/strong>DNS\u306e\u5fdc\u7b54\u306b\u542b\u307e\u308c\u308b\u6b63\u3057\u3044IP\u30a2\u30c9\u30ec\u30b9\u3092\u507d\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u7f6e\u304d\u63db\u3048\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u507d\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u8a98\u5c0e\u3059\u308b\u653b\u6483\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u507d\u30b5\u30a4\u30c8\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u76d7\u3093\u3060\u308a\u3001\u30c7\u30d0\u30a4\u30b9\u306b\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u611f\u67d3\u3055\u305b\u305f\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u6c17\u3065\u304b\u306a\u3044\u3046\u3061\u306b\u672c\u7269\u306e\u30b5\u30a4\u30c8\u3092\u6a21\u5023\u3057\u305f\u308a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30a4\u30ba\u30cb\u30f3\u30b0\u3002<\/strong>DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u507d\u306e\u60c5\u5831\u3092\u9001\u308a\u8fbc\u3080\u653b\u6483\u3067\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u6c5a\u67d3\u3055\u308c\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u6b63\u3057\u3044\u30c9\u30e1\u30a4\u30f3\u540d\u3092\u5165\u529b\u3057\u3066\u3082\u3001\u60aa\u610f\u306e\u3042\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3078\u8a98\u5c0e\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u500b\u3005\u306e\u30c7\u30d0\u30a4\u30b9\u3060\u3051\u3067\u306a\u304f\u3001DNS\u30b5\u30fc\u30d0\u30fc\u306b\u3082\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>DNS\u30ea\u30d5\u30ec\u30af\u30b7\u30e7\u30f3\uff08\u5897\u5e45\uff09\u653b\u6483:<\/strong> \u653b\u6483\u8005\u304c\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u3092\u507d\u88c5\u3057\u305fDNS\u30af\u30a8\u30ea\u3092\u9001\u4fe1\u3059\u308bDDoS\u653b\u6483\u306e\u4e00\u7a2e\u3067\u3059\u3002\u30aa\u30fc\u30d7\u30f3DNS\u30b5\u30fc\u30d0\u30fc\u304c\u507d\u88c5\u3055\u308c\u305f\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u306b\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u30d1\u30b1\u30c3\u30c8\u3092\u8fd4\u3059\u3053\u3068\u3067\u3001\u6a19\u7684\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u901a\u4fe1\u304c\u96c6\u4e2d\u3057\u3001\u969c\u5bb3\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>DNS\u30c8\u30f3\u30cd\u30ea\u30f3\u30b0\u3002<\/strong>DNS\u30af\u30a8\u30ea\u306e\u4e2d\u306b\u60aa\u610f\u306e\u3042\u308b\u30c7\u30fc\u30bf\u3092\u96a0\u3059\u3053\u3068\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u3092\u3059\u308a\u629c\u3051\u308b\u624b\u6cd5\u3067\u3059\u3002\u6a19\u7684\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u30c7\u30fc\u30bf\u3092\u5916\u90e8\u306b\u6301\u3061\u51fa\u3057\u305f\u308a\u3001C2\u30b5\u30fc\u30d0\u30fc\u3068\u5bc6\u304b\u306b\u901a\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>DNS\u30ea\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3002<\/strong>\u507d\u306eDNS\u60c5\u5831\u3092\u9001\u308b\u3053\u3068\u3067\u3001\u30d6\u30e9\u30a6\u30b6\u3092\u30eb\u30fc\u30bf\u30fc\u3084\u30db\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306a\u3069\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u63a5\u7d9a\u3055\u305b\u308b\u653b\u6483\u3067\u3059\u3002\u901a\u5e38\u306f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u306f\u305a\u306e\u5185\u90e8\u30b7\u30b9\u30c6\u30e0\u306b\u3001\u60aa\u610f\u306e\u3042\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<div style=\"background-color: #cfe2f3; padding: 1em; border-radius: 1em;\"><p class=\"wp-block-paragraph\"><strong>\u5b89\u5168\u306aVPN\u3092\u5229\u7528\u3057\u3066\u3001DNS\u306e\u76d7\u8074\u3084\u653b\u6483\u3092\u9632\u3050\u30dd\u30a4\u30f3\u30c8<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DNS\u3092\u60aa\u7528\u3057\u305f\u653b\u6483\u306e\u591a\u304f\u306f\u3001\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30af\u30a8\u30ea\u306e\u508d\u53d7\u3084\u6539\u3056\u3093\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002DNS\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u5e73\u6587\u3067\u9001\u4fe1\u3055\u308c\u308b\u3068\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u653b\u6483\u8005\u304c\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3001\u30b9\u30d7\u30fc\u30d5\u30a3\u30f3\u30b0\u3001\u307e\u305f\u306f\u6539\u3056\u3093\u3092\u884c\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002PIA\u306f<a href=\"https:\/\/www.privateinternetaccess.com\/ja\/vpn-features\/vpn-encryption\">DNS\u30af\u30a8\u30ea\u3092\u6697\u53f7\u5316\u3057\u3066\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8DNS\u30b5\u30fc\u30d0\u30fc\u3092\u7d4c\u7531\u3057\u3066\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u3053\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b<\/a>\u3057\u3001\u7b2c\u4e09\u8005\u304cDNS\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u95b2\u89a7\u3001\u6539\u3056\u3093\u3001\u307e\u305f\u306f\u60aa\u610f\u306e\u3042\u308b\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u9001\u308a\u8fbc\u3080\u3053\u3068\u3092\u306f\u308b\u304b\u306b\u96e3\u3057\u304f\u3057\u307e\u3059\u3002<\/p><\/div>\n\n\n\n<h2 id=\"h-dns\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4ed5\u7d44\u307f\u3068dns\u30af\u30a8\u30ea\u3092\u4fdd\u8b77\u3059\u308b\u65b9\u6cd5\" class=\"wp-block-heading\">DNS\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4ed5\u7d44\u307f\u3068DNS\u30af\u30a8\u30ea\u3092\u4fdd\u8b77\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DNS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u4fdd\u8b77\u3057\u3001\u60c5\u5831\u304c\u6f0f\u308c\u308b\u30ea\u30b9\u30af\u3092\u6e1b\u3089\u3059\u305f\u3081\u306b\u3001\u6b21\u306e\u5bfe\u7b56\u3092\u691c\u8a0e\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 id=\"h-dnssec\u3067\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\" class=\"wp-block-heading\">DNSSEC\u3067\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DNSSEC\uff08Domain Name System Security Extensions\uff09\u306f\u3001DNS\u5fdc\u7b54\u304c\u6539\u3056\u3093\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002\u6b63\u5f53\u306a\u9001\u4fe1\u5143\u304b\u3089\u306e\u5fdc\u7b54\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3001\u30c7\u30b8\u30bf\u30eb\u7f72\u540d\u306e\u3088\u3046\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"h-dns\u30af\u30a8\u30ea\u3092\u6697\u53f7\u5316\u3059\u308b\" class=\"wp-block-heading\">DNS\u30af\u30a8\u30ea\u3092\u6697\u53f7\u5316\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DNS over HTTPS\uff08DoH\uff09\u3084DNS over TLS\uff08DoT\uff09\u306a\u3069\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306fDNS\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6697\u53f7\u5316\u3057\u3001\u516c\u5171\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u5b89\u5168\u6027\u306e\u4f4e\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u306e\u76d7\u8074\u3084\u4e2d\u9593\u8005\u653b\u6483\u3092\u9632\u3050\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"h-dns\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u8a2d\u5b9a\u3059\u308b\" class=\"wp-block-heading\">DNS\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u8a2d\u5b9a\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DNS\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u5229\u7528\u3059\u308b\u3068\u3001\u63a5\u7d9a\u304c\u78ba\u7acb\u3055\u308c\u308b\u524d\u306b\u3001\u3059\u3067\u306b\u7279\u5b9a\u3055\u308c\u3066\u3044\u308b\u60aa\u610f\u306e\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3067\u304d\u307e\u3059\u3002\u5b66\u6821\u3084\u4f01\u696d\u3060\u3051\u3067\u306a\u304f\u3001\u4fdd\u8b77\u8005\u304c\u5b89\u5168\u306a\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u74b0\u5883\u3092\u6574\u3048\u308b\u305f\u3081\u306b\u5229\u7528\u3059\u308b\u3053\u3068\u3082\u4e00\u822c\u7684\u3067\u3059\u3002\u30b5\u30fc\u30d3\u30b9\u3092\u9078\u3073\u3001\u305d\u306eDNS\u30a2\u30c9\u30ec\u30b9\u3092\u30c7\u30d0\u30a4\u30b9\u3084\u30eb\u30fc\u30bf\u30fc\u306e\u8a2d\u5b9a\u306b\u5165\u529b\u3059\u308b\u3060\u3051\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"h-dns\u30b7\u30f3\u30af\u30db\u30fc\u30eb\u307e\u305f\u306f\u8a31\u53ef\u30ea\u30b9\u30c8\u3092\u5229\u7528\u3059\u308b\" class=\"wp-block-heading\">DNS\u30b7\u30f3\u30af\u30db\u30fc\u30eb\u307e\u305f\u306f\u8a31\u53ef\u30ea\u30b9\u30c8\u3092\u5229\u7528\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DNS\u30b7\u30f3\u30af\u30db\u30fc\u30eb\u306f\u3001\u3059\u3067\u306b\u7279\u5b9a\u3055\u308c\u3066\u3044\u308b\u60aa\u8cea\u306a\u30c9\u30e1\u30a4\u30f3\u306b\u3064\u3044\u3066\u3001\u672c\u6765\u306eIP\u30a2\u30c9\u30ec\u30b9\u3067\u306f\u306a\u304f\u7121\u5bb3\u306aIP\u30a2\u30c9\u30ec\u30b9\u3092\u8fd4\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u8a31\u53ef\u30ea\u30b9\u30c8\u306f\u3001\u3042\u3089\u304b\u3058\u3081\u627f\u8a8d\u3057\u305f\u30b5\u30a4\u30c8\u4ee5\u5916\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u3059\u3079\u3066\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u65b9\u6cd5\u306f\u3001\u53b3\u683c\u306a\u7ba1\u7406\u304c\u6c42\u3081\u3089\u308c\u308b\u4f01\u696d\u74b0\u5883\u3067\u7279\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"h-dns\u6f0f\u6d29\u3092\u5b9a\u671f\u7684\u306b\u78ba\u8a8d\u3059\u308b\" class=\"wp-block-heading\">DNS\u6f0f\u6d29\u3092\u5b9a\u671f\u7684\u306b\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001DNS\u6f0f\u6d29\u30c6\u30b9\u30c8\u3092\u5b9f\u65bd\u3057\u3066\u3001DNS\u5fdc\u7b54\u304c\u610f\u56f3\u305b\u305a\u5b89\u5168\u6027\u306e\u4f4e\u3044DNS\u30b5\u30fc\u30d0\u30fc\u3084\u60f3\u5b9a\u3057\u3066\u3044\u306a\u3044DNS\u30b5\u30fc\u30d0\u30fc\u3092\u7d4c\u7531\u3057\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070Cloudflare\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30c6\u30b9\u30c8\u7d50\u679c\u306b\u306fISP\u306e\u540d\u524d\u3084\u5225\u306eIP\u30a2\u30c9\u30ec\u30b9\u3067\u306f\u306a\u304f\u30011.1.1.1\u307e\u305f\u306fone.one.one.one\u304c\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n<h3 id=\"h-\u4fe1\u983c\u3067\u304d\u308bdns\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u9078\u3076\" class=\"wp-block-heading\">\u4fe1\u983c\u3067\u304d\u308bDNS\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u9078\u3076<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001ISP\u304cDNS\u30d7\u30ed\u30d0\u30a4\u30c0\u3068\u3057\u3066\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3088\u308a\u512a\u308c\u305f\u901f\u5ea6\u3001\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u6c42\u3081\u3066\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8DNS\u30d7\u30ed\u30d0\u30a4\u30c0\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001DNS\u30b5\u30fc\u30d3\u30b9\u306e\u54c1\u8cea\u306f\u3055\u307e\u3056\u307e\u3067\u3059\u3002DNSSEC\u306b\u5bfe\u5fdc\u3057\u3001<a href=\"https:\/\/www.privateinternetaccess.com\/blog\/how-to-prevent-ddos-in-gaming\/\">DDoS\u653b\u6483<\/a>\u3084\u969c\u5bb3\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306e\u5bfe\u7b56\u3092\u5099\u3048\u3001\u30c7\u30fc\u30bf\u3092\u8a18\u9332\u30fb\u8ca9\u58f2\u3057\u306a\u3044\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u9078\u3073\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 id=\"h-\u3088\u304f\u3042\u308b\u8cea\u554f\" class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1770798354205\"><h3 class=\"schema-faq-question\">\u300cDNS\u30b5\u30fc\u30d0\u30fc\u304c\u5fdc\u7b54\u3057\u3066\u3044\u307e\u305b\u3093\u300d\u3068\u306f\u3069\u3046\u3044\u3046\u610f\u5473\u3067\u3059\u304b\uff1f<\/h3> <p class=\"schema-faq-answer\"><strong>\u3053\u306e\u30a8\u30e9\u30fc\u306f\u901a\u5e38\u3001\u30c7\u30d0\u30a4\u30b9\u304cDNS\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u3088\u3046\u3068\u3057\u305f\u3082\u306e\u306e\u3001\u5fdc\u7b54\u304c\u8fd4\u3063\u3066\u3053\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059<\/strong>\u3002\u539f\u56e0\u3068\u3057\u3066\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u4e0d\u5b89\u5b9a\u3055\u3084\u53e4\u3044DNS\u8a2d\u5b9a\u3001DNS\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u505c\u96fb\u3084\u904e\u8ca0\u8377\u306a\u3069\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u30eb\u30fc\u30bf\u30fc\u306e\u518d\u8d77\u52d5\u3001DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2\u3001\u307e\u305f\u306f\u3088\u308a\u4fe1\u983c\u6027\u306e\u9ad8\u3044DNS\u30d7\u30ed\u30d0\u30a4\u30c0\u3078\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u3067\u89e3\u6c7a\u3067\u304d\u308b\u5834\u5408\u304c\u591a\u3044\u3067\u3059\u3002\u72ec\u81ea\u306e\u5b89\u5168\u306aDNS\u30b5\u30fc\u30d0\u30fc\u3092\u5099\u3048\u305f<a href=\"https:\/\/www.privateinternetaccess.com\/ja\/buy-vpn-online\">PIA VPN\u3092\u5229\u7528\u3059\u308b<\/a>\u3053\u3068\u3067\u3082\u3001\u3053\u306e\u554f\u984c\u3092\u907f\u3051\u3089\u308c\u307e\u3059\u3002<br><br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1770798367316\"><h3 class=\"schema-faq-question\">DNS\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f\u308f\u304b\u308a\u3084\u3059\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/h3> <p class=\"schema-faq-answer\"><a href=\"#wid\">DNS (Domain Name System)<\/a>\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u300c\u96fb\u8a71\u5e33\u300d\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<strong>www.privateinternetaccess.com\u306e\u3088\u3046\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u540d\u3092\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u540c\u58eb\u304c\u901a\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u3046\u6570\u5024\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3057\u307e\u3059<\/strong>\u3002\u30d6\u30e9\u30a6\u30b6\u306bURL\u3092\u5165\u529b\u3059\u308b\u3068\u3001DNS\u304c\u305d\u306e\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u5bfe\u5fdc\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092\u8abf\u3079\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u6b63\u3057\u3044\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u8907\u96d1\u306aIP\u30a2\u30c9\u30ec\u30b9\u3092\u899a\u3048\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br><br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1770798377101\"><h3 class=\"schema-faq-question\">\u306a\u305cDNS\u306f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3078\u306e\u63a5\u7d9a\u306b\u6b20\u304b\u305b\u306a\u3044\u306e\u3067\u3059\u304b\uff1f<\/h3> <p class=\"schema-faq-answer\"><strong>DNS\u306f\u3001\u4eba\u306b\u308f\u304b\u308a\u3084\u3059\u3044\u540d\u524d\u3068\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304c\u4f7f\u3046\u6570\u5024\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u3064\u306a\u3050\u6a4b\u306e\u3088\u3046\u306a\u5b58\u5728\u3067\u3059<\/strong>\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u306f\u305d\u308c\u305e\u308cIP\u30a2\u30c9\u30ec\u30b9\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u6570\u5b57\u3092\u899a\u3048\u308b\u306e\u306f\u73fe\u5b9f\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<a href=\"#hdd\">\u305d\u3053\u3067DNS\u304c\u540d\u524d\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u5909\u63db\u3092\u81ea\u52d5\u7684\u306b\u884c\u3044\u307e\u3059<\/a>\u3002\u307e\u305f\u3001DNS\u30ec\u30b3\u30fc\u30c9\u3092\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3063\u3066\u304a\u3051\u3070\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u30b5\u30fc\u30d0\u30fc\u3092\u79fb\u8ee2\u3057\u305f\u308a\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u5909\u308f\u3063\u305f\u308a\u3057\u3066\u3082\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u305d\u308c\u3092\u610f\u8b58\u305b\u305a\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<br><br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1770798387104\"><h3 class=\"schema-faq-question\">\u30d6\u30e9\u30a6\u30b6\u306bURL\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u88cf\u5074\u3067\u306f\u4f55\u304c\u8d77\u304d\u307e\u3059\u304b\uff1f<\/h3> <p class=\"schema-faq-answer\"><strong>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u8aad\u307f\u8fbc\u3080\u306b\u306fDNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u5fc5\u8981\u3067\u3001\u6700\u5927<a href=\"#hdd\">4\u3064\u306e\u7570\u306a\u308b\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u554f\u3044\u5408\u308f\u305b\u30689\u3064\u306e\u30b9\u30c6\u30c3\u30d7<\/a>\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059<\/strong>\u3002\u8981\u3059\u308b\u306b\u3001\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u306b\u306f\u3001DNS\u304c\u8907\u6570\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u7d4c\u3066\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8abf\u3079\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br><br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1770798396072\"><h3 class=\"schema-faq-question\">DNS\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3> <p class=\"schema-faq-answer\">DNS\u3068IP\u30a2\u30c9\u30ec\u30b9\u306f\u6df7\u540c\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u4e21\u8005\u306f\u307e\u3063\u305f\u304f\u7570\u306a\u308b\u3082\u306e\u3067\u3059\u3002<a href=\"#wid\">DNS\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u5165\u529b\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u540d\u3092IP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059<\/a>\u3002\u4e00\u65b9\u3001IP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u3084\u30c7\u30d0\u30a4\u30b9\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u901a\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u3046\u6570\u5b57\u306e\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002DNS\u304c\u4eba\u306b\u3068\u3063\u3066\u5206\u304b\u308a\u3084\u3059\u3044\u540d\u524d\u3068\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304c\u4f7f\u3046IP\u30a2\u30c9\u30ec\u30b9\u3092\u7d50\u3073\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u30a6\u30a7\u30d6\u3092\u3088\u308a\u4f7f\u3044\u3084\u3059\u304f\u3001\u67d4\u8edf\u306b\u3057\u3066\u3044\u307e\u3059\u3002<br><br><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1770798404973\"><h3 class=\"schema-faq-question\">DNS\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901f\u5ea6\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b\uff1f<\/h3> <p class=\"schema-faq-answer\"><strong>DNS\u30b5\u30fc\u30d0\u30fc\u304c\u9045\u304b\u3063\u305f\u308a\u904e\u8ca0\u8377\u306b\u306a\u3063\u3066\u3044\u305f\u308a\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u3092\u958b\u59cb\u3059\u308b\u307e\u3067\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059<\/strong>\u3002\u9ad8\u901f\u306aDNS\u30ea\u30be\u30eb\u30d0\u30fc\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3053\u306e\u9045\u5ef6\u3092\u6e1b\u3089\u3057\u3001\u30b5\u30a4\u30c8\u3092\u3088\u308a\u901f\u304f\u8aad\u307f\u8fbc\u3081\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u30021.1.1.1\u306e\u3088\u3046\u306a\u30d1\u30d6\u30ea\u30c3\u30afDNS\u30ea\u30be\u30eb\u30d0\u30fc\u3084\u3001\u72ec\u81ea\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8DNS\u30b5\u30fc\u30d0\u30fc\u3092\u5099\u3048\u305fPIA VPN\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001<a href=\"#cda\">DNS\u306b\u3088\u308b\u5fdc\u7b54\u306e\u9045\u5ef6\u3092\u6e1b\u3089\u3057<\/a>\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901f\u5ea6\u3092\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<\/p> <\/div> <\/div>\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u958b\u304f\u306e\u306f\u4e00\u77ac\u306e\u3088\u3046\u306b\u611f\u3058\u307e\u3059\u304c\u3001\u5b9f\u306f\u305d\u306e\u524d\u306b\u7d20\u65e9\u3044\u691c\u7d22\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u30da\u30fc\u30b8\u304c\u8aad\u307f\u8fbc\u307e\u308c\u308b\u524d\u306b\u3001\u5229\u7528\u3057\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\u304c\u305d\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u3092\u7279\u5b9a\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u6d3b\u8e8d &hellip; <a href=\"https:\/\/www.privateinternetaccess.com\/ja\/blog\/what-is-dns\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;DNS\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac&#8221;<\/span><\/a><\/p>\n","protected":false},"author":111,"featured_media":40570,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_stopmodifiedupdate":false,"_modified_date":"","footnotes":""},"categories":[3065],"tags":[],"class_list":["post-40571","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3065"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v26.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ 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content=\"DNS\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\" \/>\n<meta property=\"og:description\" content=\"DNS\u3068\u306f\u4f55\u304b\u3001DNS\u30b5\u30fc\u30d0\u30fc\u304c\u30c9\u30e1\u30a4\u30f3\u540d\u3092IP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3059\u308b\u4ed5\u7d44\u307f\u3001DNS\u306e\u901f\u5ea6\u30fb\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3078\u306e\u5f71\u97ff\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.privateinternetaccess.com\/ja\/blog\/what-is-dns\/\" \/>\n<meta property=\"og:site_name\" content=\"PIA\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/privateinternetaccess\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-11T08:32:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-19T14:03:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.privateinternetaccess.com\/blog\/wp-content\/uploads\/2026\/02\/featured-image-How-does-DNS-work-2.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2400\" \/>\n\t<meta property=\"og:image:height\" content=\"1600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Shauli Zacks\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@buyvpnservice\" \/>\n<meta name=\"twitter:site\" content=\"@buyvpnservice\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Shauli Zacks\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\u5206\" \/>\n<script type=\"application\/ld+json\" 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