You can use your additional domain and point it to the root of your primary site. If your primary domain is example.com and point example.net to it and someone accesses example.net, then browser will display example.com.
Login to your DirectAdmin account.
Account Managersection, click on the
Domain Pointersicon or type “Pointers” in the
Navigation Filterbox and then the option will appear. Click on it.
In the top right-hand side, click on the
Create Domain Pointersbutton.
Under “Source Domain”, enter your domain pointer name.
Create as an Aliasand then click on the
Your domain pointer will be created but please make sure that your domain pointer nameserver is pointed to the same as your primary nameserver or else it will not work.