1. Login to ControlCenter
2. Choose "All My Domains" from top right drop down menu
3. Go to "All My Domains" tab
4. Select domain name
Please note that "DNS Zone" tab will appear only if you enable 'DNS Hosting'
To enable 'DNS Hosting', please follow the steps in the link given below.
5. Go to "DNS Zone" Tab
6. New DNS records can be added to zone and existing DNS records in zone can be edited