Configuring a Primary DNS Server
To configure a DNS server, you must first gather the necessary information to be able to provide a service. This includes:
The names and IP addresses of root servers, if connected to the Internet. If your organization is not connected to the Internet, then you still need to know the names and addresses of root servers for the organization.
The names and IP addresses of any DNS servers to which authority is delegated—in other words, subdomains that are not part of the zone of responsibility for this server.
Hostnames and IP addresses of all hosts for which this server is going to be the authority. This information ...