TLS-RPT Checker
Free TLS-RPT Checker
Validates a domain's TLS reporting record and confirms where TLS delivery failure reports are sent — live, no sign-up.
TLS-RPT Checker
Validates TLS reporting configuration and report destination address.
Enter a domain above to run a real, live check.
Capabilities
What it checks
Record validation
Confirms the record is well-formed and parses its report addresses.
MTA-STS companion
Explains how TLS-RPT gives visibility into a broken MTA-STS policy.
Zero setup
No account, no domain verification — just a live DNS check.
Why use it
Benefits
- Confirm you'd actually find out if TLS delivery to your domain started failing.
- Verify a report address is correctly configured after a DNS change.
- Export the check as JSON for documentation.
FAQ
Frequently Asked Questions
MTA-STS enforces the TLS requirement; TLS-RPT reports back when a sending server couldn't meet it — without TLS-RPT, delivery failures caused by a broken MTA-STS policy happen silently.