SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

umichsites.org

SSL/TLS Certificate

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SSL/TLS Certificate for umichsites.org

Valid
Issued by (CA)
Let's Encrypt
Subject
umichsites.org
Valid from
Jun 13, 2026
Valid until
Sep 11, 2026 (51 days remaining)
Public key
EC 256-bit
Serial
06203C71EB3EEF0C34E0D4ED0229933A257A
SHA-256 fingerprint
90:AB:C2:7A:E1:AD:3E:5A:01:A0:9B:9D:3D:47:84:D9:E9:E0:A5:48:06:6A:1C:91:D1:9C:D8:6A:01:FD:C5:F9
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
*.umichsites.org, umichsites.org

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.