- Login to cPanel
- Scroll down to the Domains section
- Click on 'Addon Domains'
- Enter the domain name you want to add
- Provide a password
- Add domain
To remove an addon domain:
- Login to cPanel
- Scroll down to the Domains section
- Click on 'Addon Domains'
- Find the domain you want to remove from the list
- Click on 'Remove'
- Tick the box to 'Remove the associcated FTP account' on the confirmation page. Please note that failing to tick the box will leave records of your domain on the server. And this will prevent you from readding the domain to your account in the future.