This guide applies to the following versions of Parrallels Plesk Panel
- Parallels Plesk Panel 11 for linux
 - Parallels Plesk Panel 11 for Windows
 - Parallels Plesk Panel 11.5 for linux
 - Parallels Plesk Panel 11.5 for Windows
 - Parallels Plesk Panel 12 for linux
 - Parallels Plesk Panel 12 for Windows
 
- Login to your Plesk control panel
 - Goto to Domains
 - Choose the domain you want to change the DNS from the list provided
 - Click on the down arrow on the domains infomation panel
 - Click on DNS settings
 - Click Add new record
 - Choose CNAME from the drop down list
 - Fill in the Domain name for example mail.test.com
 - Fill in the Hostname/canonical name of the server you want to point this to
 - Click OK
 - Click update
 - You have now modifed the DNS, Please allow upto 24 hours for this to take effect due to progation.