You should be loged to your DirectAdmin panel via http://ipaddress:2222 and you should use your reseller user account.
1.Go to ‘Your Account’ and select Domain Setup
2.Your current domains will be displayed. You can choose ‘Set as Default’, ‘Suspend/Unsuspend’, or ‘Delete’ a domain
3.For setting up a domain click on ‘Add Another Domain’.
4.Enter the requested information in the following screen, then click Create.