Redirecting my own domain to Google App Engine web page

[Ankit]

Hi All,

I am facing a problem in redirecting my own domain to my Google App
Engine web page.

Scenario is like this:

I have a domain example.com which i want to redirect to
site.addspot.com

I used the URL Forwarding in my domain setting but it doesnt mask the
URL.

I have also registered my domain with Google Apps, and there it
offered me to have custom URLs for my Google App Engine website.

So, after going through few help articles i finally created few custom
URLs like www.example.com , www2.example.com

But none of these working.

Is it a valid to customize the url as www or www2 or www<N> ?
Or is there any other way so that I can use www.example.com or
example.com for my website at Google App Engine.

Thanks,
Ankit