Discover which DNS resolvers handle your queries. Verify your configuration is private and secure.
Testing DNSSEC validation...
| ECDSA P-256 | ECDSA P-384 | Ed25519 | |
|---|---|---|---|
| Valid signature | — | — | — |
| Invalid signature | — | — | — |
| Expired signature | — | — | — |
| Missing signature | — | — | — |
When you configure a DNS resolver (like ClearDNS, Quad9, or Cloudflare), you expect all your DNS queries to go through that resolver. A DNS leak occurs when some queries bypass your chosen resolver and go to your ISP's DNS instead — exposing your browsing activity.