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 ncbj.gov.pl

Valid
Issued by (CA)
Hellenic Academic and Research Institutions CA
Subject
*.ncbj.gov.pl
Valid from
Oct 9, 2025
Valid until
Oct 9, 2026 (80 days remaining)
Public key
RSA 4096-bit
Serial
68E42D4496954922C9A736CA0362F5A1
SHA-256 fingerprint
82:B2:F1:09:67:21:46:C0:A5:45:BF:27:D2:F9:F8:1A:28:59:FD:C2:4B:F0:9E:4F:69:A8:EC:CF:96:DB:08:B8
Chain
GEANT TLS RSA 1 → HARICA TLS RSA Root CA 2021 → Hellenic Academic and Research Institutions RootCA 2015
Subject Alternative Names (2)
*.ncbj.gov.pl, ncbj.gov.pl

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.