blockbuster.com requires that you use the www in front of their domain.

You should be redirected in just a moment. If not, please use the above link to get you to where you are going.

This is your front door to the world. You know that it will come in on port 80. If you want another system to serve the web pages, have the router forward the request to the proper machine

If you do not want your domain to resolve, for whatever reason, use other common names: www.example.com, web.example.com, http.example.com