SSL/TLS Certificate Lookup

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

karanavi.jp

SSL/TLS Certificate

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SSL/TLS Certificate for karanavi.jp

Hostname mismatch
Issued by (CA)
Let's Encrypt
Subject
adnet.co.jp
Valid from
Jun 20, 2026
Valid until
Sep 18, 2026 (59 days remaining)
Public key
RSA 2048-bit
Serial
05DB38913ED4A15F95581FF947F08688ED72
SHA-256 fingerprint
93:55:57:19:A6:8B:EA:CA:97:70:EF:9A:C7:8B:2B:9E:FD:8E:B1:91:97:79:AB:F0:35:73:EB:E0:36:83:EE:40
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
adnet.co.jp, www.adnet.co.jp

Certificate Authority Authorization (CAA)

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