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 dah.com.tw

Valid
Issued by (CA)
Asseco Data Systems S.A.
Subject
dah.com.tw
Valid from
May 5, 2026
Valid until
Nov 20, 2026 (121 days remaining)
Public key
RSA 2048-bit
Serial
29F5147E48490D25CF5C583157C96E4C
SHA-256 fingerprint
A3:7E:91:98:49:85:86:3D:45:14:63:2E:82:EA:93:29:75:94:D1:00:4D:29:B0:CB:4F:E2:9A:63:30:CE:FC:B0
Chain
Certum DV TLS G2 R39 CA → Certum Trusted Root CA → Certum Trusted Network CA
Subject Alternative Names (2)
dah.com.tw, www.dah.com.tw

Certificate Authority Authorization (CAA)

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