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 brownbook.ca

Valid
Issued by (CA)
Sectigo Limited
Subject
brownbook.ca
Valid from
Jul 27, 2025
Valid until
Aug 27, 2026 (38 days remaining)
Public key
RSA 2048-bit
Serial
C26510338BD66FBCCB0D88FE692FDBE1
SHA-256 fingerprint
ED:3D:3C:07:56:1E:E3:37:42:D4:B1:B2:AE:0D:A8:B1:6E:55:3B:B4:F6:82:1B:53:62:43:57:2C:AB:8E:DD:FF
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
brownbook.ca, www.brownbook.ca

Certificate Authority Authorization (CAA)

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