If you are getting the Defaultwebpage.cgi page on your site, please read this.
This is an error commonly caused by a recent change to your hosting account's domain names. For example changing your main domain or parking a domain may cause this behaviour.
Under normal circumstances, we would expect the error to pass after around 48 hours, although in some cases this time can be longer.
Before opening a support ticket about this issue, please wait a minimum of 24 hours, and clear your browser cache and flush your DNS at regular intervals.
If you are still having an issue after 24 hours, please open a support ticket and someone will investigate further.