Check a DANE SMTP Service

This application checks a DANE SMTP Service. It queries the MX record set for the given domain, looks up DANE TLSA records at the MX targets, connects to the target servers, negotiates STARTTLS, and then attempts to verify the TLS server certificate against the TLSA records.

Domain Name:

Perform name checks for DANE-EE mode TLSA records (default is don't)

Allow invalid SMTP usage modes 0, and 1 (default is don't)


Other DANE Tools


References