SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

ac-lille.fr

SSL/TLS Certificate

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SSL/TLS Certificate for ac-lille.fr

Valid

Issued by (CA): Hellenic Academic and Research Institutions CA
Subject: www1.ac-lille.fr
Valid from: Dec 2, 2025
Valid until: Dec 2, 2026 (133 days remaining)
Public key: EC 256-bit
Serial: 7E43684D7CE93BA20FDB746747788533
SHA-256 fingerprint: 57:4E:46:12:F6:B1:C2:F0:D3:13:5E:E6:60:B8:C9:DC:CD:A2:00:74:44:34:A4:5C:46:CC:49:56:E6:1F:F1:DF
Chain: GEANT TLS ECC 1 → HARICA TLS ECC Root CA 2021 → Hellenic Academic and Research Institutions ECC RootCA 2015

Subject Alternative Names (12)

ac-lille.fr, back.ac-lille.fr, back.tandem.ac-lille.fr, isoprod.ac-lille.fr, isoprod.back.ac-lille.fr, isoprod.back.tandem.ac-lille.fr, isoprod.tandem.ac-lille.fr, tandem.ac-lille.fr, test.ac-lille.fr, test.back.ac-lille.fr, www.ac-lille.fr, www1.ac-lille.fr

Certificate Authority Authorization (CAA)

CAA restricts issuance to harica.gr, letsencrypt.org; we couldn't map the serving CA (Hellenic Academic and Research Institutions CA) to one of these identifiers.