From Webuzo Wiki
This guide shows you how to Manage Domains, Add Sub-Domains and Domain Aliases
You can Manage a Domain/ Sub-domain / Alias from your Webuzo Enduser Panel > Features > Manage Domain
Screenshot : Manage Domain
You can manage your Domain here :
Webuzo allows user to manage all the domains at a single point. Click on the Domain name to access and Test it's working.