TLS-RPT Checker
TLS-RPT (TLS Reporting) lets you receive automated reports from other mail servers when they encounter TLS connection failures delivering email to your domain. Without it, TLS problems — such as certificate mismatches or negotiation failures — are invisible to you. Enter a domain to verify TLS reporting is active.
What does this check?
- Presence of a TLS-RPT DNS TXT record at _smtp._tls.[domain]
- Valid rua= (reporting URI) tag pointing to an email address or HTTPS endpoint
- Correct record syntax and version field (v=TLSRPTv1)
- Whether TLS-RPT is paired with an active MTA-STS policy
- Common misconfigurations such as missing or malformed reporting URIs