SSL/TLS Certificate Lookup

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

suzuka-ct.ac.jp

SSL/TLS Certificate

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SSL/TLS Certificate for suzuka-ct.ac.jp

Valid
Issued by (CA)
SECOM Trust Systems Co., Ltd.
Subject
www.suzuka-ct.ac.jp
Valid from
Feb 25, 2026
Valid until
Mar 28, 2027 (249 days remaining)
Public key
RSA 2048-bit
Serial
3CE964B5841B9CB642405827B0D4B4A0
SHA-256 fingerprint
A1:19:E0:CE:EE:5D:4B:0E:31:FE:EF:CD:69:5C:3C:B4:ED:3D:30:2D:CB:E3:59:47:C8:9E:ED:94:2A:27:E4:D6
Chain
NII Open Domain CA - G8 RSA → SECOM TLS RSA Root CA 2024
Subject Alternative Names (4)
email.suzuka-ct.ac.jp, mail.suzuka-ct.ac.jp, suzuka-ct.ac.jp, www.suzuka-ct.ac.jp

Certificate Authority Authorization (CAA)

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