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 ntua.gr
Valid- Issued by (CA)
- Hellenic Academic and Research Institutions CA
- Subject
- ntua.gr
- Valid from
- Dec 9, 2025
- Valid until
- Dec 9, 2026 (140 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 59B35A011A89778AC572E0CE82B30B7F
- SHA-256 fingerprint
- 4A:67:2E:2D:90:6C:F8:49:20:01:83:EA:DE:DC:6D:64:51:8B:A6:B4:49:01:82:04:2E:26:77:1E:42:7B:DA:B7
- Chain
- HARICA Institutional TLS RSA 2 → HARICA TLS RSA Root CA 2021
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.