Does DigiCert log all certificates to public CT logs?
By default, all publicly trusted TLS/SSL certificates are submitted to public Certificate Transparency logs ("CT logged").
This has been required for EV certificates since June 2015, and February 1st 2018 for all other public TLS/SSL certificates. This includes the following certificate types:
Standard SSL
Multi-Domain SSL
Wildcard SSL
Extended Validation SSL
EV Multi-Domain SSL
Grid Host SSL
Grid Host Multi-Domain SSL
CT logging doesn’t apply to your private TLS/SSL certificates. DigiCert will not log the following types of certificates:
Private SSL
Private Multi-Domain SSL
Private SSL Wildcard
Client
Code Signing
EV Code Signing
Document Signing