You can choose to host a website on the server, to set up web forwarding to another site, or just set up a domain DNS zone if you want to have only email addresses under this domain.
Please follow the following steps:
1) Login to Plesk control panel.

2) Click on Websites & Domains > Click Add New Domain.

a) Type Domain Name as marked in RED.

b) Choose DNS server configuration

c) Choose Hosting type

d) Document root*

3) Click Ok.

Information: The domain add-new-domain.com was successfully created.
