CNAME is an alias of A field (redirection of A field to IP).
In order to create a CNAME field, you need to:

• 1. Log into Manager v3

• 2. Choose your domain from the menu on the left
• 3. Click "Domains & DNS"
• 4. Then "DNS zone" and eventually "CNAME field"

• 5. The following page will appear:

• 6. Leave subdomain field empty, and insert the alias server (CNAME)
• 7. Then click "Accept"

The modifications will be activated after DNS change (24-48h).