TLS & SSL

TLS-RPT Checker

Validate your TLS-RPT (SMTP TLS Reporting) DNS record and reporting endpoints. Free and instant.

About this check

Validate TLS-RPT DNS records and rua endpoints.

Frequently asked questions

What does the TLS-RPT Checker actually check?: Validate TLS-RPT DNS records and rua endpoints.
Is this really free?: Yes. Every on.bo tool is free, no signup required, no rate-limit tricks.
Do you store the data I check?: We log minimal metadata to keep the service healthy. Lookups themselves are not retained beyond short-term caching.