Changing DNS details at Godaddy.
1) Log into your Godaddy account.
2) Click on your domain name as it comes up under your account details.
3)On the new screen select "set nameservers"
4) In the popup window select "I have specific nameservers for my domain" and change the first two Nameservers by entering the following:
5) Click OK and you are done.
It can take up to 48 hours for these changes to fully populate on the internet.