SSL/TLS Certificate Lookup

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

gseed.co.jp

SSL/TLS Certificate

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SSL/TLS Certificate for gseed.co.jp

Valid
Issued by (CA)
GlobalSign nv-sa
Subject
www.gseed.co.jp
Valid from
Jan 20, 2026
Valid until
Jan 20, 2027 (183 days remaining)
Public key
RSA 2048-bit
Serial
0136322C64A00F03D30CA9710AF65F76
SHA-256 fingerprint
D1:33:04:50:9D:B2:54:7F:85:36:7C:B8:E7:F9:9F:3D:D1:12:01:43:64:6A:5C:59:94:0B:09:A7:AA:DC:EA:EF
Chain
GlobalSign Atlas R3 AlphaSSL CA 2026 Q1 → GlobalSign
Subject Alternative Names (2)
gseed.co.jp, www.gseed.co.jp

Certificate Authority Authorization (CAA)

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