You must first make sure you have installed the extensions by going into your cPanel and clicking 'Install FrontPage Extensions' on the desired domain or subdomain.
If your DNS is still propagating, FrontPage extensions can work. You must replace http://domain.com with http://serverip (where serverip is the IP address of your website).
If you ever connect to your site with FTP, it will corrupt the FrontPage extensions for that site. You will need to go into your cPanel, click 'Uninstall FrontPage Extensions' and reinstall them before you can use http publishing, again.
