SSL/TLS Certificate Lookup

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

nsd.com.tw

SSL/TLS Certificate

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SSL/TLS Certificate for nsd.com.tw

Valid
Issued by (CA)
Asseco Data Systems S.A.
Subject
nsd.com.tw
Valid from
May 20, 2026
Valid until
Dec 5, 2026 (137 days remaining)
Public key
RSA 4096-bit
Serial
1CC16BA225DABBB4EE3158B415E56039
SHA-256 fingerprint
EA:E7:56:42:6A:A3:51:A5:81:ED:F3:E5:2D:B0:6F:09:FA:B5:2D:F3:AB:0C:47:25:38:E6:CE:BB:1B:F6:EA:35
Chain
Certum DV TLS G2 R39 CA → Certum Trusted Root CA → Certum Trusted Network CA
Subject Alternative Names (2)
nsd.com.tw, www.nsd.com.tw

Certificate Authority Authorization (CAA)

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