Proof a Web Site with Content Analyzer

can anyone help? when entering our domain it states it must have .com? our website is on our intranet and does not have a .address.

reading this article by the person below

Proofing Your Web Site with Content Analyzer
Brien M. Posey, MCSE forTechRepublic.com

This article is courtesy of TechRepublic https://www.techrepublic.com/ .

[url]http://www.microsoft.com/technet/treeview/default.asp?url=/TechNet/prodtechnol/iis/maintain/monitor/content.asp[/url]