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 cntool.com

Hostname mismatch
Issued by (CA)
Amazon
Subject
*.hoonuit.com
Valid from
Jun 14, 2026
Valid until
Dec 28, 2026 (160 days remaining)
Public key
RSA 2048-bit
Serial
070B13CA96739D800B20DD565D899F38
SHA-256 fingerprint
46:E8:50:9C:6A:EC:3A:07:45:D8:83:17:78:72:09:90:9D:9A:3C:C9:45:98:89:EB:62:13:46:C1:C4:69:1D:39
Chain
Amazon RSA 2048 M01 → Amazon Root CA 1 → Starfield Services Root Certificate Authority - G2
Subject Alternative Names (4)
*.atomiclearning.com, *.hoonuit.com, atomiclearning.com, hoonuit.com

Certificate Authority Authorization (CAA)

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