How to Test if Your Proxy is Leaking DNS: 2026 Setup Guide

The guide explains what DNS leaks are and why they can happen with proxy setups.

It shows how DNS leaks can expose your real ISP, location, and browsing activity even when a proxy looks connected.

Recommended testing methods include leak test tools, dig or nslookup through a proxy, and curl with remote DNS resolution.

It also highlights common proxy-related risks such as WebRTC and the importance of using remote DNS correctly.