SSL/TLS Certificate Lookup

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

capgemini.com

SSL/TLS Certificate

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SSL/TLS Certificate for capgemini.com

Valid
Issued by (CA)
Let's Encrypt
Subject
capgemini.com
Valid from
Jul 18, 2026
Valid until
Oct 16, 2026 (86 days remaining)
Public key
EC 256-bit
Serial
056C843349C20168B2499D56D3153BE0987C
SHA-256 fingerprint
8E:17:AB:23:4C:FA:EB:AA:AA:36:4C:3D:9C:3A:30:D2:67:2D:87:B6:E7:10:59:64:D1:03:6A:30:76:34:92:6C
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
capgemini.com, www.capgemini.com

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (certigna.com, letsencrypt.org, sectigo.com).