Delegating a domain
In network environments where primary or secondary DNS servers are installed, create a delegation map for the new domain to the new DNS server. The new DNS server must be where the resource records for AirPrint advertisement and services discovery are maintained. Delegation mapping lets AirPrint devices locate the LPM server without adding the records required for AirPrint advertisement to the existing DNS servers. Make sure that the IP address of the new DNS server is added to the list of DNS servers on the client devices or computers.
Note: Setting up a delegation is not necessary when adding the resource records to a parent DNS server. It is also not necessary when the new server installation is the only network DNS server. For more information on your environment, contact your system administrator.