How to add an NS record for a domain or subdomain?
To add an NS record click on the 'Add New Record' button, then select the desired domain from the 'Hostname' drop-down menu. If the record will be added for a domain, leave the field before the drop-down menu empty. If it is for a subdomain, type in the subdomain name. Example: to add an NS record for my-best-domain.com - just select it from the 'Hostnames' menu. To add an NS record for webmail.my-best-domain.com - type "webmail" and select "my-best-domain.com" from the menu. Select "NS" type of the record from the Type menu, then write down its value in the Value field below. Example: for NS the value should look like: ns1.my-best-domain.com or dns1.my-best-domain.comOptionally you can adjust the TTL settings. Click on the "Add" button to add your new NS record.