SSL/TLS Certificate Lookup

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

uni-muenster.de

SSL/TLS Certificate

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SSL/TLS Certificate for uni-muenster.de

Valid

Issued by (CA): Hellenic Academic and Research Institutions CA
Subject: www.uni-muenster.de
Valid from: Jul 16, 2026
Valid until: Jan 31, 2027 (194 days remaining)
Public key: EC 256-bit
Serial: 1BFF6EFA77A17C51999EA7E5481DEEAE
SHA-256 fingerprint: D9:85:0D:00:39:4A:88:5E:B3:73:19:49:D7:02:51:CB:30:08:54:0B:A8:67:2B:8B:1A:91:FE:12:FA:6A:FE:1B
Chain: GEANT TLS ECC 1 → HARICA TLS ECC Root CA 2021 → Hellenic Academic and Research Institutions ECC RootCA 2015

Subject Alternative Names (10)

sos.uni-muenster.de, sos.uni.ms, sos.unims.de, sos.wwu.de, uni-muenster.de, wwu.de, www.sos.uni-muenster.de, www.sos.wwu.de, www.uni-muenster.de, www.wwu.de

Certificate Authority Authorization (CAA)

CAA restricts issuance to harica.gr, pki.dfn.de, telesec.de; we couldn't map the serving CA (Hellenic Academic and Research Institutions CA) to one of these identifiers.