To get to the DNS editor, do the following:
- Log into Plesk
- Under Hosting Services, click on Domains
- Find the domain in question, and click on the corresponding link that says "Control Panel" (on the far right side)
- Click the "Websites & Domains" tab
- Click the "DNS Settings" link
- Click on "[Manage]" for the appropriate domain
- To edit an existing record, click on the record under "Host"
MX records
- Change the "Record type" to MX (if necessary)
- "Mail domain" should be left blank
- Set the "Mail exchange server" the name of your mail server (for example ghs.google.com)
- The party who gave you the mail exchange server name may have also given you a priority number; if not, "very high(0)" is perfect
A records
- Change the "Record type" to A (if necessary)
- For "Domain name", put in the subdomain you want to host
- For "IP Address", change it to the IP of your desired server
CNAME records
- Change the "Record type" to CNAME (if necessary)
- For "Domain name", put in the subdomain you want to host
- For "Canonical name", change it to the name of your desired server