domain name system - Issue with www to non www redirect

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I am on slicehost and I followed the
articles that they gave for DNS redirection and the www to non www url redirection does
work.

However, what if I want a www.domain.com
to be the default domain. Would I put www.domain.com. as my DNS record name or would I
keep domain.com. as my DNS record and then do something
else.

Basically, what happens is if someone goes
to the url
www.domain.com/directory/something.html

they
will be redirected to domain.com and not
domain.com/directory/something.html

I
would like the second thing to happen, not just go to domain.com and call it a day. I am
running nginx and am confounded on how to solve this issue. I'm not sure whether its an
nginx issue or a dns issue.

Any help would be
greatly appreciated!

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class="normal">Answer

From the
nginx rel="nofollow
noreferrer">documentation:

server
            {
 listen 80;
 server_name nginx.org;
 rewrite ^
            http://www.nginx.org$request_uri?;

}

server
            {
 listen 80;
 server_name www.nginx.org;

            ...
}