Guided flow
Security
Public Wi-Fi and shared networks are where most real exposure happens. Four checks, in this order, then you're done.
Keep reading
- How websites see your IP addressEvery site you visit receives your public IP address. Where it comes from, how proxies and CDNs pass it along, what else is sent with it, and what a VPN changes.
- What is DNS and how does a DNS lookup work?DNS turns names like example.com into IP addresses. The five steps of a lookup, the record types you will meet, and how to run a DNS lookup yourself.
- What is NAT, and what is CGNAT?NAT lets a whole network share one public IP address. How the translation table works, what carrier-grade NAT changes, and why NAT is not a firewall.