DNS & Auth Checkers
Live checks for SPF, DKIM, DMARC, MX, BIMI, and overall auth health.
- SPF CheckerValidate SPF TXT records and lookup counts.Open →
- DKIM CheckerLook up and validate DKIM public keys.Open →
- DMARC CheckerInspect DMARC policy, alignment, and rua/ruf.Open →
- BIMI CheckerCheck BIMI DNS and logo readiness.Open →
- MX Record LookupList MX hosts and priorities for a domain.Open →
- Email Auth Health CheckScore SPF, DKIM, DMARC, and MX together.Open →
- MTA-STS CheckerVerify MTA-STS policy publication.Open →
- TLS-RPT CheckerConfirm TLS reporting DNS is present.Open →
- Return-Path CheckerValidate custom return-path / MAIL FROM.Open →
- DNS Propagation CheckerSee if email DNS records have propagated.Open →
- PTR Reverse DNS CheckerCheck reverse DNS for sending IPs.Open →
- CAA Record CheckerInspect CAA records that affect certificates.Open →