If you have a Ning Plus or Ning Pro network, you can Use Your Own Custom Domain using GoDaddy as your registrar by following the steps below:

1.  After signing in to GoDaddy.com, you should be taken to the My Account tab.  If you’re already signed in or are not already on this tab, click “My Account.”

2.  On the My Account page you will see a list of your domains.… Read more