SSL/TLS Certificate Lookup

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

ohara.ac.jp

SSL/TLS Certificate

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SSL/TLS Certificate for ohara.ac.jp

Valid
Issued by (CA)
Let's Encrypt
Subject
www.ohara.ac.jp
Valid from
May 28, 2026
Valid until
Aug 26, 2026 (35 days remaining)
Public key
RSA 2048-bit
Serial
0678C06C5377FA27E5C226F98DE6D318C0E4
SHA-256 fingerprint
92:AE:C8:37:E0:35:A5:28:F1:CA:07:94:8B:DD:F7:B2:25:41:69:40:89:D7:58:1F:AB:ED:B1:2A:86:87:70:F4
Chain
R12 → ISRG Root X1
Subject Alternative Names (2)
ohara.ac.jp, www.ohara.ac.jp

Certificate Authority Authorization (CAA)

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