To create an additional domain within a subscription, subdomain, redirection, or alias, we must access the cpanel of our domain, from the list of accounts or domains on the server and accessing through the CP icon next to it:

Once inside, we must go to the following options:

We click on Additional domains and the following screen will appear where we will have to follow the steps:

We click on the Subdomains option and the following will appear:

We enter the Alias section and the following will appear:

We access the Redirect section and the following will appear: