Generator

TLS-RPT Record Generator

Build a TLS Reporting (TLS-RPT) DNS TXT record to receive aggregate reports about SMTP TLS connection failures.

Domain

Report delivery method

Email address

Receive reports from

Gmail, Microsoft, Comcast, and other major receivers send daily JSON aggregate reports about TLS handshake failures and policy violations. Pairs with MTA-STS.

TLS-RPT DNS record

Host:  _smtp._tls.<your-domain>
Type:  TXT
Value: v=TLSRPTv1; rua=<endpoint>