⚙️ Privacy & Anonymity
DNS Leak Test — Check Your DNS Security
Test whether your DNS queries are leaking outside your VPN or Tor connection. Visual DNS leak detection with server location mapping.
A DNS leak occurs when your DNS queries are sent outside your encrypted VPN or Tor tunnel, exposing the websites you visit to your ISP or a third-party DNS provider. Even if your traffic is encrypted, leaked DNS requests reveal your browsing activity.
Secure Connection (No Leak)
DNS Leak (Exposed)
Important
This tool provides educational guidance only. To actually test for DNS leaks, you must use an external service like dnsleaktest.com, ipleak.net, or mullvad.net/check while connected to your VPN or Tor. These services send DNS queries to special servers they control to determine which DNS resolver responds.
❓ Frequently Asked Questions
What is a DNS leak?+
A DNS leak occurs when your DNS queries bypass your VPN or Tor connection and go through your ISP's DNS servers instead, revealing which websites you visit.
How do I fix a DNS leak?+
Use your VPN's built-in DNS servers, configure DNS-over-HTTPS (DoH) in your browser, or manually set your DNS to a privacy-respecting provider like 9.9.9.9 (Quad9) or 1.1.1.1 (Cloudflare).
Does Tor have DNS leaks?+
Tor Browser routes all DNS queries through the Tor network, preventing DNS leaks. However, if you use Tor as a system proxy without proper configuration, DNS leaks are possible.