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 samsungsupport.com

Hostname mismatch
Issued by (CA)
Sectigo Limited
Subject
*.samsung.com
Valid from
Apr 8, 2026
Valid until
Oct 23, 2026 (93 days remaining)
Public key
RSA 2048-bit
Serial
2C805E7F3EBCEC1B35B342381733274E
SHA-256 fingerprint
C4:D0:DC:25:16:CC:9B:61:BE:6A:40:7A:C3:E1:01:B7:B5:C4:5B:95:45:53:B7:E6:E0:61:CD:EF:D2:CA:62:CC
Chain
Sectigo Public Server Authentication CA OV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority → AAA Certificate Services
Subject Alternative Names (2)
*.samsung.com, samsung.com

Certificate Authority Authorization (CAA)

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