SSL/TLS Certificate Lookup

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

oulu.fi

SSL/TLS Certificate

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SSL/TLS Certificate for oulu.fi

Valid
Issued by (CA)
Hellenic Academic and Research Institutions CA
Subject
ousrvr.oulu.fi
Valid from
Jun 15, 2026
Valid until
Dec 31, 2026 (162 days remaining)
Public key
RSA 2048-bit
Serial
3536B8AB61F507198390A286851A6470
SHA-256 fingerprint
43:AA:E8:5A:50:A5:EA:89:00:F1:B9:A9:BF:B7:B9:C5:51:60:03:84:E9:20:A4:E5:40:26:06:33:A1:B2:8F:B7
Chain
GEANT TLS RSA 1 → HARICA TLS RSA Root CA 2021 → Hellenic Academic and Research Institutions RootCA 2015
Subject Alternative Names (4)
lato.oulu.fi, oulu.fi, ousrvr.oulu.fi, www.oulu.fi

Certificate Authority Authorization (CAA)

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