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 cellgenesys.com

Valid
Issued by (CA)
GoDaddy.com, Inc.
Subject
cellgenesys.com
Valid from
Feb 26, 2026
Valid until
Sep 12, 2026 (53 days remaining)
Public key
RSA 2048-bit
Serial
35B6B30202C63C2E
SHA-256 fingerprint
3C:CE:D8:CD:34:65:C5:F8:9B:84:2A:E9:98:91:83:DD:88:4F:D0:58:0B:08:0F:CA:5B:FC:27:CE:B2:27:88:C8
Chain
Go Daddy Secure Certificate Authority - G2 → Go Daddy Root Certificate Authority - G2
Subject Alternative Names (1)
cellgenesys.com

Certificate Authority Authorization (CAA)

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