Free tool
DNS & Email Trust Checker
SPF, DMARC, DKIM, DNSSEC, CAA, MTA-STS, TLS-RPT and BIMI, graded on policy strength.
What this tool checks
- Email sender authorization (SPF)
- Email spoofing policy (DMARC)
- Email signing (DKIM)
- Signed DNS (DNSSEC)
- Certificate authority authorization (CAA)
- Mail transport security (MTA-STS)
- TLS reporting (TLS-RPT)
- Brand indicators (BIMI)
Go further
Continuous identity monitoring: know the moment your domain becomes spoofable.