SSL/TLS Certificate Lookup

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

idown.com.tw

SSL/TLS Certificate

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SSL/TLS Certificate for idown.com.tw

Valid
Issued by (CA)
Amazon
Subject
idown.com.tw
Valid from
May 8, 2026
Valid until
Nov 21, 2026 (123 days remaining)
Public key
EC 256-bit
Serial
099F62B268EED4ABFF1B557F4BDD6C87
SHA-256 fingerprint
BE:F6:B6:96:94:80:89:A6:00:2E:07:B6:39:F4:DE:F8:8E:E1:DB:60:41:6C:76:49:2B:67:59:A0:18:7A:66:C4
Chain
Amazon ECDSA 256 M04 → Amazon Root CA 3 → Starfield Services Root Certificate Authority - G2
Subject Alternative Names (1)
idown.com.tw

Certificate Authority Authorization (CAA)

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