Control the way your customers can manage their domain contacts
You can decide which contacts your customers can edit.
Go to System -> Settings -> Domain settings and edit the settings that you see in the screen shot below.
If you have setup this, then you can chose in the below settings the default domain contact to use. If your customer request a new domain names this domain contacts will used for the domain.
From now on if a customer orders something in your shop these contacts will be used.