Security
Do You Actually Need a VPN in 2026?
VPN ads promise total safety. The truth is more useful: here's what a VPN really does, what it doesn't, and the few cases where you genuinely need one.
networking
Questions and articles about networking, answered in plain English.
Web
DNS Explained: The Internet's Phonebook
DNS turns names like example.com into the numbers computers need. Here's how DNS works, what happens when you change a record, and why it sometimes lags.