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Free authoritative DNS analysis

Enter a domain name to trace delegation, authoritative nameservers, glue, mail, web, PTR, and ASN signals from one clear report.

OpenResolvers

cloudflare DNS resolver
1.1.1.1
1.0.0.1
quad9 DNS resolver
9.9.9.9
149.112.112.112
google DNS resolver
8.8.8.8
8.8.4.4
verisign DNS resolver
64.6.64.6
64.6.65.6
level3 DNS resolver
209.244.0.3
209.244.0.4