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DNS Audit scans your domain across 9 security protocols (DMARC, SPF, DKIM, DNSSEC, DANE, MTA-STS, TLS-RPT, CAA, and BIMI) and gives you a 100-point score with specific fixes for every issue.
Most domain owners have no idea if their email auth is configured correctly. Misconfigured SPF silently breaks deliverability. Missing DMARC lets anyone spoof your domain.
Full audit in seconds, no account required. Includes DMARCbis readiness checks. Free and open source.
DNS AuditFree DNS security audits in one click
Neil Anuskiewiczleft a comment
Hey, I'm Neil, the builder behind DNS Audit. I built this because I kept running into the same problem: domains with email authentication that looked fine on the surface but had subtle misconfigurations that silently broke deliverability or left them wide open to spoofing. Most existing tools check one protocol at a time. I wanted something that checks everything in one pass (DMARC, SPF, DKIM,...
DNS AuditFree DNS security audits in one click