For Domainplus Shared service server, all Shared SSL Certificates installed on Shared Server Hostname.
So need to use the Hostname to access secure services.
1. To check the server name, please log into the cPanel , on the right side of the window, under
the General Information tab, click Server Information.
2. This will bring you the the Server Information page.
Once you have the server name, then you need to use the url as below to acceess
https://*HOSTNAME*.ht2u.net/WHM (for reseller account)
For example, server hostname is KBDOMAINPLUS, so the URL will be as below