Note: To do this you need to log into your registrar. If you don’t know your registrar, please see this guide – Finding a Domains Registrar
Log into to your Hover dashboard.
You will find a NAMESERVERS section in the navigation pane on the left-hand side of the screen:
Update the nameserver values with the ones provided in your settings page (guide on how to use Auth-DNS):
Click save nameservers
The change should be instantaneous in your Hover panel: