Skip to content
SecArsenal
Educational and ethical use only. Only test systems you own or are explicitly authorized to test. Full disclaimer.

DNS Leak Tests

Alternative DNS leak testing service that identifies whether DNS requests bypass your VPN tunnel and expose your real ISP’s DNS servers.

opsec
Official docs ↗

Platforms: Web · Last verified September 7, 2026

Alternative DNS leak testing service that identifies whether DNS requests bypass your VPN tunnel and expose your real ISP’s DNS servers.

Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.

Getting started

Best for: Secondary DNS leak verification, cross-checking VPN DNS configuration. See the official site linked above for details.