Free email operations tool

Email Domain Health Check

Audit one domain's public authentication, recursive SPF, spoofing exposure, DNS, mail routing, transport security, reporting, BIMI, certificates, and mail-IP reputation. This tool does not inspect individual mailboxes.

Included in one checkAuthentication, infrastructure, reputation, protection, and reporting

EmailAudit follows SPF includes, discovers common DKIM selectors, evaluates DMARC spoofing exposure, and inspects DNS, MX, SMTP, BIMI, MTA-STS, TLS-RPT, certificates, CAA, and public mail-IP reputation.

Public checks are point-in-time evidence. Receiver behavior and DNS propagation can vary.