DNS
Everything about the DNS system: how it works, configuration, troubleshooting and DNS security.
How to change DNS on Android
Changing DNS on Android improves speed, privacy and access to certain sites. Here is how to do it on Android 9+ and older versions.
How does domain name registration work?
Registrar, registry, WHOIS, ICANN: find out what actually happens when you register a domain name and how the whole system works behind the scenes.
The 10 most used Nslookup commands
Nslookup is the built-in DNS diagnostic tool on Windows, Mac and Linux. Here are the 10 most useful commands with practical examples for every situation.
What is a DNS SOA record?
The SOA record defines a DNS zone's authority and controls how secondary servers synchronise. Learn how to read it, configure it and avoid common mistakes.
How to change DNS servers?
Changing your DNS servers can improve browsing speed, privacy and access to certain content. Here is how to do it on Windows, Mac and your router.
How to flush DNS cache?
Flushing the DNS cache fixes many browsing issues: sites that won't load, stale redirects, errors after switching hosting. Here's how to do it on Windows and Mac.
What is DNS?
DNS translates domain names into IP addresses so your browser knows where to go. Understanding how it works helps you diagnose outages and improve your security.
The 10 Best DNS Servers in 2026: Fast, Secure and Free
Discover the 10 best DNS servers in 2026 to browse faster, protect your privacy and bypass restrictions. Full free comparison included.