www is just like any other subdomain, but is an extremely common cause of confusion. Follow these steps if your domain only works with (or without) www in front of it.
If www.example.com works, but example.com doesn't:
Add web forwarding
to make example.com redirect to www.example.com:
www.example.com in the “forwarding address” field (replace example.com with your domain name). This change should take effect immediately if the domain was already pointing at our web redirection/parking service. Otherwise, the change will take at least 3 hours to propagate.
If example.com works, but www.example.com doesn't:
Add web forwarding
to make www.example.com redirect to example.com:
www in the “subdomain” fieldexample.com) in the “forwarding address” field. This change should take effect immediately if the domain was already pointing at our web redirection/parking service. Otherwise, the change will take at least 3 hours to propagate.