SSL/TLS Certificate Lookup

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

jsnet.com.tw

SSL/TLS Certificate

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SSL/TLS Certificate for jsnet.com.tw

Valid
Issued by (CA)
Let's Encrypt
Subject
tknet.com.tw
Valid from
Jun 20, 2026
Valid until
Sep 18, 2026 (58 days remaining)
Public key
RSA 2048-bit
Serial
05D9C6105F1D85F667A96334B69C43507BE5
SHA-256 fingerprint
93:EB:4D:24:C1:A9:8B:AC:C5:E0:B2:0F:CB:9F:FC:E9:42:3D:40:A4:2F:4D:FB:B9:E2:CB:0D:02:2B:C9:D4:01
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (4)
jsnet.com.tw, tknet.com.tw, www.jsnet.com.tw, www.tknet.com.tw

Certificate Authority Authorization (CAA)

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