Question 1

Why do I have different IPv4 and IPv6 addresses?

Accepted Answer

They're separate protocols. Your ISP may assign both. IPv4 is the traditional format; IPv6 is the newer, larger address space. Both can coexist on the same connection (dual-stack).

Question 2

Does my IP address change?

Accepted Answer

Most residential ISPs use dynamic IP addresses that change periodically (every few hours to months). Business connections and servers typically have static (fixed) IPs. Use a DDNS service if you need a stable address on a dynamic IP.

Question 3

Can websites see my real IP if I use a VPN?

Accepted Answer

A properly configured VPN hides your real IP, showing the VPN server's IP instead. However, WebRTC leaks, DNS leaks, or misconfigured VPNs can expose your real IP.

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