Looking up MTA-STS DNS record, fetching policy file, and checking TLS-RPT...
Looking up MTA-STS DNS record, fetching policy file, and checking TLS-RPT...
MTA-STS + TLS-RPT for
Checked 5/14/2026, 10:50:27 PM · 105ms
Excellent: enforce mode, long max_age, TLS-RPT reporting in place.
looked up: _mta-sts.microsoft.com
v=STSv1; id=20190225000000Z;
https://mta-sts.microsoft.com/.well-known/mta-sts.txt
version: STSv1 mode: enforce mx: *.mail.protection.outlook.com max_age: 604800
Allowed MX patterns (1)
v=TLSRPTv1;rua=https://tlsrpt.azurewebsites.net/report
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