If you are using your server as the nameserver for your domains you can manage your DNS through the Plesk control panel.
Step (1)-In the Plesk control panel, select Domains from the Hosting Services section within the left menu bar.
Step (2)-Click on the domain you wish to edit the DNS on.
Step (3)-Click the DNS Settings icon.
Step (4)-You will be presented with a list of the current DNS entries for your domain.