Email DNS & Authentication
MTA-STS TXT Checker
Look up the _mta-sts TXT record for a mail domain.
Live public lookup
Quick answer
What does MTA-STS TXT Checker do?
Look up the _mta-sts TXT record for a mail domain. It is designed for a direct input → result workflow with no account requirement. Live lookup tools contact the public Internet from MediaZuno to retrieve the requested DNS or HTTP information.
How to use MTA-STS TXT Checker
- Enter, paste or choose the input requested by the tool.
- Adjust any options shown for your task.
- Run the tool, review the result and copy or download it when available.
For important financial, technical or publishing decisions, verify the result against the source system or rule that applies to your situation.
MTA-STS TXT Checker FAQ
What does MTA-STS TXT Checker do?
Look up the _mta-sts TXT record for a mail domain.
Is MTA-STS TXT Checker free to use?
Yes. MediaZuno provides MTA-STS TXT Checker free to use without requiring an account.
Does MTA-STS TXT Checker upload my input?
This version runs in your browser. Your input is processed on your device rather than being uploaded to MediaZuno.