Check your MTA-STS record policy and validate your record using our free MTA-STS Record Checker. Our MTA-STS record checker provides immediate results, telling you about errors in your record and the validity of your policy file within seconds!
To perform an MTA-STS check, enter your domain name, click “Lookup”, and you’ll get an overview of all of the available MTA-STS records for that domain name. An MTA-STS record lookup would include:
MTA-STS (published under RFC 8461) is an authentication protocol that makes sure emails are encrypted in transit.
The MTA-STS Record Checker tool is a verification service that allows you to check the validity of your MTA-STS record. The MTA-STS Checker tool is designed for companies that have been issued an MTA-STS record and would like to verify whether their record is active or inactive by performing an instant and accurate MTA-STS check on their domain.
Here’s a result of an MTA-STS check on a domain with no record enabled:
Here’s a result of an MTA-STS record lookup on a domain with a record enabled:
