SSL/TLS Certificate Lookup

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

SSL/TLS Certificate for dagstuhl.de

Valid
Issued by (CA)
Hellenic Academic and Research Institutions CA
Subject
larissa.dagstuhl.de
Valid from
Jul 18, 2026
Valid until
Feb 2, 2027 (195 days remaining)
Public key
RSA 4096-bit
Serial
7BDAF67462E76DEF963925A1C1900DCE
SHA-256 fingerprint
4B:29:7B:57:4F:66:75:E9:A3:54:DC:98:B4:F5:74:2F:48:06:CD:B6:9D:38:DC:F4:9E:DC:24:EF:5F:DB:88:F0
Chain
GEANT TLS RSA 1 → HARICA TLS RSA Root CA 2021 → Hellenic Academic and Research Institutions RootCA 2015
Subject Alternative Names (3)
dagstuhl.de, larissa.dagstuhl.de, www.dagstuhl.de

Certificate Authority Authorization (CAA)

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