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 beuth-hochschule.de

Valid
Issued by (CA)
Hellenic Academic and Research Institutions CA
Subject
www.bht-berlin.de
Valid from
Mar 18, 2026
Valid until
Oct 3, 2026 (73 days remaining)
Public key
RSA 4096-bit
Serial
55A509BA1AD1AF769CAA8EAC4CC68C35
SHA-256 fingerprint
2E:18:20:C8:B7:2E:61:7B:44:30:77:4C:67:1C:42:8C:D8:5E:A6:88:86:55:BE:F9:56:50:60:1C:9D:BA:8A:5D
Chain
GEANT TLS RSA 1 → HARICA TLS RSA Root CA 2021 → Hellenic Academic and Research Institutions RootCA 2015
Subject Alternative Names (9)
beuth-hochschule.de, bht-berlin.de, bht-hochschule.de, tfh-berlin.de, www.beuth-hochschule.de, www.bht-berlin.de, www.bht-hochschule.de, www.tfh-berlin.de, www115.bht-berlin.de

Certificate Authority Authorization (CAA)

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