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IPv6 Leak Tests

Tests whether IPv6 connectivity is leaking your real IP address outside a VPN tunnel that only routes IPv4 traffic.

opsec
Official docs ↗

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.