SSL/TLS Certificate Lookup

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

SSL/TLS Certificate for osawa.me

Expired
Issued by (CA)
DigiCert Inc
Subject
po.osawa-jp.net
Valid from
Apr 24, 2025
Valid until
May 25, 2026 (expired 56 days ago)
Public key
RSA 2048-bit
Serial
0F4E10E58733D8286C40C39DCA7E5EC3
SHA-256 fingerprint
F2:6E:CD:CD:06:8E:12:32:97:76:49:26:D2:EC:5F:88:0A:45:D2:A6:C6:04:BF:E4:1B:A5:91:6B:80:CC:7B:EE
Chain
RapidSSL TLS RSA CA G1 → DigiCert Global Root G2
Subject Alternative Names (2)
po.osawa-jp.net, www.po.osawa-jp.net

Certificate Authority Authorization (CAA)

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