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VPN DNS Leak Test Basics

Check for VPN DNS leaks

This guide explains testing for VPN DNS leaks: connect VPN, use online DNS leak tests, verify only VPN DNS servers appear, adjust settings if leaks are detected, and retest after changes.

Connect and test

Connect VPN and run a DNS leak test site or command.

Interpret results

Only VPN DNS servers should show; if ISP servers appear, leaks exist.

Fix leaks

Force VPN DNS, disable smart multi-homing, or adjust firewall rules.

Retest after fixes

Run the test again to confirm leaks are resolved.

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