Findings
No check run yet.
SMTP transport security
Validate MTA-STS policy, TLS reports, and MX coverage in one pass.
Enter a domain to check DNS opt-in, the HTTPS policy file, policy-to-MX alignment, and TLS-RPT destinations. Paste aggregate TLS report JSON to decode failure counts for an incident or rollout note.
DNS_mta-sts and _smtp._tls
Policymode, mx, max_age
ReportsTLS-RPT JSON decoder
Domain check
Score
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Waiting for domain
MX coverage
Run a domain check to compare MX hosts with policy patterns.
Starter output
DNS and policy output will appear here.
TLS-RPT decoder
Ready