CGFNS Connect uses a secure SSL certificate. Occasionally, depending on your browser or location, you may need to manually add the certificate before accessing the website. Try downloading the attached "Verisign.cer" certificate file and installing it on your computer or importing it into your browser.
Also, here are a few helpful links for clearing your DNS cache. The first link here is often the solution:
How to Clear Your DNS Cache: http://docs.cpanel.net/twiki/bin/view/AllDocumentation/ClearingBrow...
How to Clear Your DNS Cache (iPhone): http://www.conetrix.com/Blog/post/How-to-Flush-DNS-on-an-iPhone.aspx