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Index/Topics/VPN DNS Leak Testing

VPN DNS Leak Testing

The use of public DNS leak websites to test for DNS leaks in VPN connections, and the potential limitations and biases of such tests.

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Jan 17, 2026
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How do DNS/leak tests work and what specific tools and procedures do reviewers use to validate VPN tunnel integrity?

DNS leaks happen when DNS queries escape the encrypted VPN path and reveal the user’s ISP or real location, so reviewers combine simple web-based leak checks with low-level packet captures and gateway...

Jan 15, 2026
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Which online DNS leak test tools accurately detect leaks for Tor Browser?

Public DNS leak websites—like DNSLeakTest, IPLeak, BrowserLeaks, BrowserScan, SystemDiagnose and Top10VPN’s tester—can reveal whether a browser or client is resolving names through the local ISP or ot...