SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
sciebo.de
SSL/TLS Certificate
SSL/TLS Certificate for sciebo.de
Valid- Issued by (CA)
- Hellenic Academic and Research Institutions CA
- Subject
- sciebo.de
- Valid from
- Oct 23, 2025
- Valid until
- Oct 23, 2026 (91 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 6186BE67ADF48F639D465D2F49621E94
- SHA-256 fingerprint
- B1:1F:E2:46:26:01:95:5D:E4:DA:DE:51:CF:65:56:30:3E:61:44:9D:AF:7D:29:71:88:4D:B2:F2:BA:EF:18:F2
- Chain
- GEANT TLS RSA 1 → HARICA TLS RSA Root CA 2021 → Hellenic Academic and Research Institutions RootCA 2015
Certificate Authority Authorization (CAA)
CAA restricts issuance to harica.gr, pki.dfn.de; 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
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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