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 fu-b.de
Valid- Issued by (CA)
- Hellenic Academic and Research Institutions CA
- Subject
- fu-berlin.de
- Valid from
- Oct 21, 2025
- Valid until
- Oct 21, 2026 (88 days remaining)
- Public key
- EC 256-bit
- Serial
- 2E38AA6FB6B37E2D5342563366F1D944
- SHA-256 fingerprint
- 19:B3:2C:0F:B1:3B:28:99:EB:6B:27:13:C9:28:65:5A:7C:F9:BE:CB:62:98:68:8E:62:58:1D:E6:C6:A5:A2:E6
- Chain
- GEANT TLS ECC 1 → HARICA TLS ECC Root CA 2021 → Hellenic Academic and Research Institutions ECC RootCA 2015
Certificate Authority Authorization (CAA)
CAA restricts issuance to harica.gr; we couldn't map the serving CA (Hellenic Academic and Research Institutions CA) to one of these identifiers.
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Uptime
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DNS changes
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TLS certificate
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