To simply view the default records, click settings and go to DNS Template settings. In the display, the ip and domain fields will be automatically replaced with real ip and domain.
To add a new resource record, select Add DNS Record. Now select the type of resource record and give the desired record properties. Click OK to add. Similarly, to remove a resource record simply select the corresponding checkbox and click remove. Click OK to confirm the removal of the resource record.
If you want to change the SOA (Start of Authority) records, Click SOA Records Template and give the values you desire. Click OK when you are done.