Go to System Services > DNS Server > Zones > On the DNS domain click on Records.
Then create "A records" for each nameserver. eg:
dns2.domain.com A IP Address 43200
dns1.domain.com A IP Address 43200
Go to System Services > DNS Server > Zones > On the DNS domain click on Records.
Then create "A records" for each nameserver. eg:
dns2.domain.com A IP Address 43200
dns1.domain.com A IP Address 43200