How to edit the IP address of a domain’s NS record
In order to edit the IP address of an existing domain based Name Server record, please click on the domain's name, located in the "Domain" column. This will open the "Domain Information" pop up window with information for selected the domain name. Locate the "Register/Edit Name Servers" link in the second column and click on in. In the "Manage Domain Based NS" tab of the "Manage DNS" popup window find the record which you need to edit, then fill the IP filed with the new IP address and press the "Modify" button the save the changes.