SSL/TLS Certificate Lookup

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

saga-kenkou.org

SSL/TLS Certificate

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SSL/TLS Certificate for saga-kenkou.org

Expired
Issued by (CA)
Let's Encrypt
Subject
www.saga-kenkou.org
Valid from
Mar 14, 2026
Valid until
Jun 12, 2026 (expired 40 days ago)
Public key
RSA 2048-bit
Serial
05F52112413FF61A42A6DE553D93C0199585
SHA-256 fingerprint
87:68:C7:75:B1:17:1A:17:E1:2E:62:37:D8:E6:08:4B:7E:88:69:6D:8F:AA:2C:AC:CF:BD:0A:11:33:CA:6F:87
Chain
R12 → ISRG Root X1
Subject Alternative Names (2)
saga-kenkou.org, www.saga-kenkou.org

Certificate Authority Authorization (CAA)

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