SSL/TLS Certificate Lookup

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

jcspa.or.jp

SSL/TLS Certificate

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SSL/TLS Certificate for jcspa.or.jp

Valid
Issued by (CA)
Let's Encrypt
Subject
www.jcspa.or.jp
Valid from
May 28, 2026
Valid until
Aug 26, 2026 (36 days remaining)
Public key
RSA 2048-bit
Serial
0697DBF02966A12521CAA6AB76A9370A675B
SHA-256 fingerprint
4E:47:54:E0:5B:6C:44:D2:E9:0F:0F:B4:12:14:2C:84:8E:73:66:F8:E9:15:F9:20:A1:73:68:75:D7:41:C9:AA
Chain
R12 → ISRG Root X1
Subject Alternative Names (2)
jcspa.or.jp, www.jcspa.or.jp

Certificate Authority Authorization (CAA)

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