SSL/TLS Certificate Lookup

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

cplan.com.tw

SSL/TLS Certificate

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SSL/TLS Certificate for cplan.com.tw

Valid
Issued by (CA)
Sectigo Limited
Subject
cplan.com.tw
Valid from
Mar 11, 2026
Valid until
Apr 11, 2027 (263 days remaining)
Public key
RSA 4096-bit
Serial
A42CAE9036EAE7FECDD022156F7B3D55
SHA-256 fingerprint
E7:49:2D:8A:77:78:9E:5C:32:3C:BC:FD:24:17:FB:D8:C1:70:A5:A4:93:A0:1C:8E:46:FA:DE:81:FB:68:E4:61
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46
Subject Alternative Names (2)
cplan.com.tw, www.cplan.com.tw

Certificate Authority Authorization (CAA)

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