SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
et-cip.rub.de
SSL/TLS Certificate
SSL/TLS Certificate for et-cip.rub.de
Untrusted chain- Issued by (CA)
- Hellenic Academic and Research Institutions CA
- Subject
- www.et-cip.rub.de
- Valid from
- Nov 3, 2025
- Valid until
- Nov 3, 2026 (48 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 13D4C6A2D458CC4744DA38990AA6DDBC
- SHA-256 fingerprint
- 6E:AE:FA:7B:DC:AF:B2:41:2E:9B:43:E2:37:7D:D9:45:1A:B8:4C:B0:CE:1B:0A:28:70:BC:CD:8A:D6:B4:3A:F6
- Chain
- —
Certificate Authority Authorization (CAA)
CAA restricts issuance to harica.gr, sectigo.com; we couldn't map the serving CA (Hellenic Academic and Research Institutions CA) to one of these identifiers.
This certificate has been served since Sep 15, 2026.
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TLS certificate
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