SSL/TLS Certificate Lookup

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

refix.co.jp

SSL/TLS Certificate

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SSL/TLS Certificate for refix.co.jp

Valid
Issued by (CA)
Let's Encrypt
Subject
refix.co.jp
Valid from
Jul 9, 2026
Valid until
Oct 7, 2026 (78 days remaining)
Public key
RSA 2048-bit
Serial
05946419663E76E4FEFC8642305C298F64A4
SHA-256 fingerprint
81:90:E5:1E:21:FF:FC:74:BD:20:67:9D:BB:75:FF:F0:F2:FE:4B:A8:78:DC:D9:13:36:88:2A:D5:B9:44:2D:E8
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
refix.co.jp, www.refix.co.jp

Certificate Authority Authorization (CAA)

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