SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
cdad-ca-rennes.fr
SSL/TLS Certificate
SSL/TLS Certificate for cdad-ca-rennes.fr
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- cdad-ca-rennes.fr
- Valid from
- Sep 8, 2026
- Valid until
- Dec 7, 2026 (34 days remaining)
- Public key
- EC 256-bit
- Serial
- 05D0553E0DC279963B1CED36518F96B467C4
- SHA-256 fingerprint
- 87:68:1D:FC:56:B4:F4:58:CB:57:EB:07:3B:DF:4D:D0:E7:94:17:6E:83:41:49:8E:A6:9D:00:E2:EA:AD:B1:97
- Chain
- YE1 → Root YE → ISRG Root X2 → ISRG Root X1
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 Sep 24, 2026.
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DNS changes
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TLS certificate
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