SSL/TLS Certificate Lookup

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

vifaost.de

SSL/TLS Certificate

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SSL/TLS Certificate for vifaost.de

Valid
Issued by (CA)
Hellenic Academic and Research Institutions CA
Subject
www.osmikon.de
Valid from
Mar 6, 2026
Valid until
Mar 6, 2027 (227 days remaining)
Public key
RSA 3072-bit
Serial
7CC7D390841C2773376842FCA0D242A7
SHA-256 fingerprint
D6:A2:82:61:31:D5:94:D5:FF:C0:4B:28:C0:FC:D8:D9:BF:09:72:0A:AB:B1:9A:67:A3:43:C2:A5:1C:87:89:61
Chain
GEANT TLS RSA 1 → HARICA TLS RSA Root CA 2021 → Hellenic Academic and Research Institutions RootCA 2015
Subject Alternative Names (14)
abo.osmikon.de, osmikon.de, osmikon.eu, ostdata.osmikon.de, ostdok.de, ostdok.eu, vifaost.bsb-muenchen.de, vifaost.de, www.osmikon.de, www.osmikon.eu, www.ostdata.osmikon.de, www.ostdok.de, www.ostdok.eu, www.vifaost.de

Certificate Authority Authorization (CAA)

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