DNS Audit

What it does

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.

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  Email PostureJul 2026 · emailposture.com · ▲5

  Get alerted the moment your DMARC, SPF, or DKIM breaks

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  Email Deliverability API & Checker27d ago · web-production-80c77.up.railway.app · ▲2

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  CaptainDNSApr 2026 · captaindns.com · ▲1

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  DomSec HQ6d ago · domsechq.com · ▲1

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