( See our slideshow on how DNS cache poisoning works, and what can be done to prevent attacks ) With cache poisoning an attacker attempts to insert a fake address record for an Internet domain ...

Trying to unlock geo-restricted content? We'll explain what a Smart DNS is, how it works, and what the best VPNs with Smart DNS are.

DNSQuerySniffer proves it doesn't have to be that way. It's a free Windows tool which absolutely anyone can use to watch DNS in action to see how it really works.

Understanding DNS—anatomy of a BIND zone file Need a clear, thorough guide to understanding how DNS records work? We got you.

How DNS-over-HTTPS works The DNS-over-HTTPS protocol works by taking a domain name that a user has typed in their browser and sending a query to a DNS server to learn the numerical IP address of ...