IPv6 Leak Tests
Tests whether IPv6 connectivity is leaking your real IP address outside a VPN tunnel that only routes IPv4 traffic.
Platforms: Web · Last verified September 7, 2026
Tests whether IPv6 connectivity is leaking your real IP address outside a VPN tunnel that only routes IPv4 traffic.
Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.
Getting started
Best for: Detecting IPv6 leaks through IPv4-only VPNs, dual-stack network verification. See the official site linked above for details.