Most likely there are problems with displaying the website, please try to clear DNS cache.

1) WinXP: Start, Run and then type “cmd” and press Enter

2) Vista, Window 7 and Windows 8: Click “Start” and type the word “Command” in the Start search field. Finally, right-click the command prompt icon and select the option to “Run as Administrator”

3) In the open prompt, type “ipconfig/flushdns” (without the quotes)

4) You should receive a message of your success as confirmation when the cache is cleared