The DNS Manager is an easy to use GUI for the administration of the DNS domains that are under the administrators control.  There are two selection screens.  The first permits the administrator to select the domain to administer. The second page permits the administrator to modify existing entries, or add additional records, one at a time.

Here is the page that will permit you to select the domain to make changes to:

After Selecting the the Domain to manage (or creating a New one), the Administrator can then update existing records, or and extries as required. Use the DNS Editor to see the records available to you, a make management simple.