SSL/TLS Certificate Lookup

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

uj.com.tw

SSL/TLS Certificate

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SSL/TLS Certificate for uj.com.tw

Hostname mismatch
Issued by (CA)
Sectigo Limited
Subject
www.userjoy.com.tw
Valid from
May 22, 2026
Valid until
Dec 6, 2026 (138 days remaining)
Public key
RSA 2048-bit
Serial
B329640146F16F9D66C774C43DEB8458
SHA-256 fingerprint
26:E2:7B:DD:8B:7D:EF:C5:3B:91:DF:FB:AA:35:16:D4:00:E8:00:15:50:6E:3C:3F:32:A8:53:EC:1C:12:BD:CA
Chain
Sectigo Public Server Authentication CA OV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
userjoy.com.tw, www.userjoy.com.tw

Certificate Authority Authorization (CAA)

The serving CA (Sectigo Limited) is authorized by this domain's CAA records (digicert.com, letsencrypt.org, pki.goog, sectigo.com).