Results foratt.admin.messaging.microsoft.com

Every certificate issued for a domain by a trusted CA is publicly announced and stored.
The entries on this page were collected by crt.sh.

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-01-26T16:00:01.397	2010-02-24T22:28:00	2011-02-19T18:24:53	att.admin.messaging.microsoft.com	att.admin.messaging.microsoft.com	DC=com, DC=microsoft, DC=corp, DC=redmond, CN=Microsoft Secure Server Authority
2020-01-26T16:00:00.407	2009-03-02T21:44:42	2010-03-02T21:44:42	att.admin.messaging.microsoft.com	att.admin.messaging.microsoft.com	DC=com, DC=microsoft, DC=corp, DC=redmond, CN=Microsoft Secure Server Authority
2016-10-01T20:15:02.667	2011-02-18T00:26:54	2013-02-17T00:26:54	att.admin.messaging.microsoft.com	att.admin.messaging.microsoft.com	DC=com, DC=microsoft, DC=corp, DC=redmond, CN=Microsoft Secure Server Authority
2013-03-26T12:13:00.451	2013-01-16T22:11:24	2015-01-16T22:11:24	att.admin.messaging.microsoft.com	att.admin.messaging.microsoft.com	DC=com, DC=microsoft, DC=corp, DC=redmond, CN=MSIT Machine Auth CA 2