You will see an index list of files and/or folders when you access your site via your real URL both with and without the 'www' (http://www.yournewsitename.com and http://yournewsitename.com) in a browser. Often you may see your site at the url without the www first, but not with the www. This means the DNS is only partially resolved. When you can see the index list of files and/or folders at BOTH different url's you know the DNS has resolved.