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 cmstek.com

Valid
Issued by (CA)
GoDaddy.com
Subject
cmstek.com
Valid from
Jun 29, 2026
Valid until
Jan 13, 2027 (176 days remaining)
Public key
RSA 2048-bit
Serial
FCDCBB5B1F8DCB57
SHA-256 fingerprint
43:89:EC:10:31:DF:C5:E0:43:3C:0E:97:F9:4B:6D:39:05:C3:70:13:97:22:49:02:AF:03:F2:A7:C1:5B:A3:19
Chain
GoDaddy TLS Intermediate CA DV - R1v1 → GoDaddy TLS Root CA - R1 → Go Daddy Root Certificate Authority - G2
Subject Alternative Names (1)
cmstek.com

Certificate Authority Authorization (CAA)

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