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 osy.co.jp

Self-signed
Issued by (CA)
Plesk
Subject
Plesk
Valid from
Jan 25, 2022
Valid until
Jan 23, 2032 (2012 days remaining)
Public key
RSA 4096-bit
Serial
DC6F553269634B04
SHA-256 fingerprint
8E:3D:13:7C:C8:13:78:1E:B2:B6:CE:D9:E8:39:F8:3C:44:C8:D5:BF:2B:3E:49:0D:91:7A:37:7F:D7:57:04:70
Chain
Plesk

Certificate Authority Authorization (CAA)

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