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 ch-chauny.fr

Valid
Issued by (CA)
Let's Encrypt
Subject
ch-chauny.fr
Valid from
Oct 17, 2026
Valid until
Jan 15, 2027 (87 days remaining)
Public key
EC 256-bit
Serial
05B9B137F460D76B73573956407AADAC5A07
SHA-256 fingerprint
77:87:15:74:96:80:2B:89:4B:7E:4A:9A:A8:09:61:26:57:38:79:B7:A4:A3:5A:FA:AD:BB:CC:8A:16:D4:4A:E8
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (1)
ch-chauny.fr

Certificate Authority Authorization (CAA)

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

We've observed 1 previous certificate for this host. This certificate has been served since Aug 18, 2026.

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TLS certificate

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