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 lafloratheque-marseille.fr

Valid
Issued by (CA)
Let's Encrypt
Subject
www.lafloratheque-marseille.fr
Valid from
Sep 12, 2026
Valid until
Dec 11, 2026 (29 days remaining)
Public key
RSA 4096-bit
Serial
0681E1337B89E1907762441C11C766157C87
SHA-256 fingerprint
F4:C1:EC:49:CA:33:1E:A4:48:C9:A1:B1:AE:7F:A1:F3:E8:4C:2A:4B:E7:C5:EE:7D:42:9A:E0:B9:E6:72:BE:EC
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
lafloratheque-marseille.fr, www.lafloratheque-marseille.fr

Certificate Authority Authorization (CAA)

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TLS certificate

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