Email-domain SPF / DKIM / DMARC checker

Audit your email-sending domain in seconds — SPF, DKIM, DMARC, MTA-STS, BIMI — and get prioritised fixes.

FreeBetav1.0.0

Interactive tool~3 min · typical

What you'll walk away with. DNS and email authentication signals for your domain.

Email authentication audit

DNS-only audit of an email-sending domain. We resolve the SPF policy (and warn about the 10-lookup limit), enumerate DKIM selectors you tell us about, parse the DMARC record, and check for MTA-STS and BIMI. Output is a one-page red/amber/green report with copy-paste DNS fixes.

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