Re: Is it possible to configure two subdomains for an IP address?

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On Wed, Mar 18, 2009 at 8:31 AM, André Warnier <aw@xxxxxxxxxx> wrote:
Rex C. Eastbourne wrote:
[...]

A short primer :

The Internet in general works with IP addresses, not host names.
Host names are for humans.

When in the browser of your workstation, you enter a URL like
http://hostname.x.y.z/something/something-else.html
the first thing the browser does is try to resolve the hostname
"hostname.x.y.z" into an IP address.
For that to work, there must be an entry somewhere in your local "hosts" file, or in a DNS server known to your workstation, that can "translate" the name "hostname.x.y.z" into an IP address.
If that does not work, then your browser will tell you "host not found", before even trying to send a HTTP request to that host.

Your webserver, no matter what is its configuration, will only get involved once it receives the browser request.
According to your symptoms, that does not seem to be the case yet.
 
Thanks for the replies. I am working on a Slicehost server with a static IP address; it looks something like 173.23.45.67. I'm able to navigate to this IP address from any computer as if it were any other domain name. What I was wondering is whether it's possible to navigate to a "subdomain" of an IP address, so that "testing.173.23.45.67" and "production.173.23.45.67" would be an actual valid websites. However, I am starting to get the feeling that this might not be possible. I'll ask the owner of my Slicehost VPS to buy us a domain name so that I can have "testing.mysite.com", etc. Hopefully that will make this configuration easier.
 
Rex

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