What Are the Types of DNS Servers and How Do They Work?
Every time your device connects to a website, an app, or a service, it relies on the Domain Name System (DNS) to translate the human-readable name (e.g. www.privateinternetaccess.com) into an…
Ahmed Khaled
Ahmed Khaled is a tech and cybersecurity writer at the PIA blog, where he covers VPNs, online privacy, and digital security. He’s been writing about tech since 2018, with a strong focus on cybersecurity and privacy tools since 2023. With a background in clinical research, Ahmed brings a detail-oriented, evidence-based approach to breaking down complex topics into clear, accessible content. When he’s not working, he enjoys going to the gym, playing video games, watching soccer, and spending time with his family.
Posts by ahmed.khaled:
Best DNS Servers for Gaming in 2026: Speed Up Your Connections
If your game takes forever to connect or keeps hitting annoying lookup delays, DNS could be slowing you down. While switching DNS won’t solve hardware limits or fix frame-rate drops,…
Cutting-Edge Technology Trends to Watch in 2026
Technology moves fast: what’s cutting-edge today can quickly become part of everyday life. Just a few years ago, AI assistants, robotic deliveries, and mixed-reality headsets felt like science fiction. In…
Web Browser vs. Search Engine: What’s the Difference?
Web browsers and search engines can seem like the same tool since we use them so often together and typically open one right after the other. But they do completely…
MPLS VPN Guide: How It Works and When to Use It
Large organizations need stable, predictable connections to keep branch offices, call centers, and data centers online. An MPLS VPN is great at this; it gives you private lines, so there’s…
What Is a Site-to-Site VPN? Setup, Benefits and How It Works
If you’ve ever wondered how large organizations securely connect multiple offices or networks across different locations, one answer is a site-to-site VPN. But what exactly is it, how does it…
What Is a Cloud VPN? How It Works, Benefits, and Use Cases
If you’re moving data to the cloud or already use cloud services, you’ve likely faced a few hurdles: keeping data secure, avoiding slow connections, and dealing with clunky setups. A…
What Is VPN Detection? How It Works and Why It Happens
VPN detection is the not-so-secret effort by websites, apps, and networks to spot when someone’s using a VPN. It’s used everywhere, from streaming platforms enforcing regional locks to firewalls trying…
Point-to-Site VPN: How Does It Work and Is It Right for You?
A point-to-site VPN gives you secure remote access to company resources, without the need for complicated hardware. But it’s not the right solution for every remote worker or company that…
How to Delete Your Reddit Account, History, and Posts
Deleting your Reddit account only takes a couple of clicks, but it doesn’t erase your content on the platform. Posts, comments, and profile details will remain unless you remove them…