Adding Domain Name To Google Sites. As an accredited domain provider Netfirms allows you to choose from all the major top-level web domains. See Adding DNS records and templates.
Put in front of a numberFor example. Select the domain name you would like to setup with Google Sites from the Select a Domain drop-down menu. Click MANAGE in the Custom URL settings section to add a Custom URL.
Then select New custom record.
Click MANAGE in the Custom URL settings section to add a Custom URL. Then search for a custom domain. Click on the Save All Changes button each time you need to save the record. New domain extensions are here.