Beta — free

MXAudit

MX security diagnostics with a grade

Checks any domain's mail configuration — TLS, SPF, DKIM, DMARC, MTA-STS, DANE, TLS-RPT, BIMI — and produces a graded, shareable report. Free, instant, no signup.

$ curl -sS https://mxaud.it/api/v1/scan/example.com | jq

Features

  • A–F overall grade with category grades for TLS, authentication, MX and bonus
  • Concrete findings with fix recommendations instead of raw data
  • MX matrix: STARTTLS, TLS versions, certificates, MTA-STS and DANE per host
  • SMTP session log as proof — every check is verifiable
  • Shareable report links, scan history and comparison over time
  • REST API and batch scanning for teams (Pro)

Standards covered

TLSSPFDKIMDMARCMTA-STSDANETLS-RPTBIMI

MXAudit results report: grade C for qinet.de with category grades, problem list and MX matrix
MXAudit home page with domain input, example reports and CLI usage