cPanel is an interface used by some hosting providers such as HostGator, JustHost, and WebhostingPad. If your provider uses cPanel, these directions will help you set up your CNAME.
How to add a CNAME with a cPanel control panel:
Log in to your hosting account with your particular provider
Navigate to Domains
Click on Simple DNS Zone Editor, which will take you to a control panel
Add a CNAME Record
Enter the Name
Type the name of your chosen subdomain
For example, if you picked
23kasd23.domain.com
as your custom domain, enter23kasd23
Paste in the target CNAME target you received from Ingenious
Click Add CNAME Record