Learning Guides
Understand how IP addresses, DNS, and online privacy work with our free educational guides.
What Is an IP Address?
Learn what an IP address is, how it works, and why every device on the internet needs one. A complete beginner-friendly guide.
IPv4 vs IPv6: What's the Difference?
Compare IPv4 and IPv6 address formats, capacity, speed, and compatibility. Learn which protocol your network uses and why the transition matters.
Public vs Private IP Addresses Explained
Understand the difference between public and private IP addresses, how NAT works, and why your router assigns local addresses to devices.
How to Hide Your IP Address (5 Proven Methods)
Learn how to hide your IP address using VPNs, proxy servers, Tor, and other privacy tools. Compare methods and find the best option for your needs.
What Is DNS? Domain Name System Explained
Learn how DNS works, why it matters for browsing the web, and how to look up DNS records for any domain using our free DNS lookup tool.