SSL/TLS Certificate Lookup

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

j-den.co.jp

SSL/TLS Certificate

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SSL/TLS Certificate for j-den.co.jp

Valid
Issued by (CA)
Let's Encrypt
Subject
j-den.co.jp
Valid from
Jun 8, 2026
Valid until
Sep 6, 2026 (46 days remaining)
Public key
RSA 2048-bit
Serial
05F106662E2615E868F640A299A5D328DE98
SHA-256 fingerprint
CB:70:1E:6E:E2:FB:78:6D:2D:25:3D:21:FB:ED:18:CB:B8:67:A3:A1:12:F5:61:3A:CC:E1:9A:DD:74:86:53:01
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (3)
j-den.co.jp, webmail.j-den.co.jp, www.j-den.co.jp

Certificate Authority Authorization (CAA)

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