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SMTP TLS reporting validator

With this tool you can inspect and validate an SMTP TLS reporting (TLSRPTv1) DNS record. We'll test the record against all requirements from the SMTP TLS reporting standard RFC8460

SMTP TLS reporting is often used in combination with MTA-STS, we also have an MTA-STS validator.

To test your domain, just enter your domain name below and press the inspect button.

Need TLS monitoring?

You can use Mailhardener to collect and enrich your TLS reports. In the Mailhardener dashboard you can view and inspect the reports. Take a look at our demo to see what it looks like.
Try it now (it's free!)