Default directory structure of a hosting account when adding website in dotnetpanel is
yourdomain.com > three sub-folders wwwroot, log, db
Website files should be uploaded to yourdomain.com\wwwroot folder.
If there are more than one domain in a hosting space, you will see all domains listed in ftp.
You can view details of hosting space in Dotnetpanel. After login Dotnetpanel, select hosting space, select View Space Summary on right menu.