The Site URLs tab allows you to manage the domain URLs for the current site.
Create a Site URL: This summary box allows you to create a new doman URL for the site. Enter the URL in the "URL" text entry field. If your site is an international site, select the locale the URL will be used in from the "Use in Locale" drop-down list box. Select "Create Site URL". The new URL will be created and added to the "Domain URLs List".
Domain URLs List: This list contains the list of domain URLs created for the site. To remove an URL from the list, select the "Delete" icon.