Checks if the hosted MTA-STS CNAME records have propagated to DNS. Call this after adding the CNAME records to your DNS to verify they’re working.

Supported Formats

JSON

Errors

Code Description
401 Unauthorized
403 Forbidden
404 Not Found
500 Server crashed for some reason

Params

Param name Description
record
optional

Which record to verify: policy, mta_sts, tls_rpt, or all (default: all)

Validations:

  • Must be one of: policy, mta_sts, tls_rpt, all.