SSL/TLS Certificate Lookup

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

gs2100.com

SSL/TLS Certificate

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SSL/TLS Certificate for gs2100.com

Valid
Issued by (CA)
Let's Encrypt
Subject
*.gs2100.com.tw
Valid from
Jul 12, 2026
Valid until
Oct 10, 2026 (80 days remaining)
Public key
RSA 2048-bit
Serial
05CA325FECCC2AFE5515EBCE30AC85D79D92
SHA-256 fingerprint
CF:7E:C7:4E:3D:4F:40:F0:79:E7:83:79:62:7D:E9:34:E7:56:14:87:79:75:24:30:32:BD:83:E6:DC:FC:8F:37
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (4)
*.gs2100.com, *.gs2100.com.tw, gs2100.com, gs2100.com.tw

Certificate Authority Authorization (CAA)

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