Me too. I was updated the DNS on yesterday but still have problem when opening my site. Then I tried to contact my domain support and they're said if the DNS propagation takes a few hours to a maximum of 48 hours to complete. So, I sugest to waiting for a while until propagating process is done.
@durgapujo2013
Try to clear cache your browser then try to open your site. At most case, your browser might be still save the latest cache.