SSL/TLS Certificate Lookup

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

jbuild.jp

SSL/TLS Certificate

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SSL/TLS Certificate for jbuild.jp

Valid
Issued by (CA)
Let's Encrypt
Subject
www.jbuild.jp
Valid from
Jun 6, 2026
Valid until
Sep 4, 2026 (45 days remaining)
Public key
RSA 2048-bit
Serial
05AE42D2F7FA1C349625D875A1AAF79CDA22
SHA-256 fingerprint
6C:B9:8B:41:EB:AA:EE:0B:A5:9A:3F:1C:99:FC:E9:DF:D5:C1:18:C6:42:F8:A1:05:A7:DE:B2:72:74:6C:10:72
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
jbuild.jp, www.jbuild.jp

Certificate Authority Authorization (CAA)

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