I have several domains which I'd like to point to another (I'll call it foo.com). A couple of things aren't entirely clear to me.

First, the DNS. I'm using Kloxo/HyperVM. Do I need to create separate DNS entries for each domain? Or do I just create separate CNAME or other records under foo.com? I thought it was the latter but when I click on "Add CNAME" I'm prompted to fill in the subdomain portion of foo.com.

The nameservers have already been set to point to my VPS.

For the redirect, would the following be appropriate within the vhost conf for foo.com?

ServerName www.foo.com
ServerAlias foo.com foo.net foo.org bar.com bar.net bar.org

RewriteCond %{HTTP_HOST} ^foo.com [NC]
RewriteCond %{HTTP_HOST} *foo.net [NC,OR]
RewriteCond %{HTTP_HOST} *foo.org [NC,OR]
RewriteCond %{HTTP_HOST} *bar.com [NC,OR]
RewriteCond %{HTTP_HOST} *bar.net [NC,OR]
RewriteCond %{HTTP_HOST} *bar.org [NC]
RewriteRule ^(.*)$ http://www.foo.com/$1 [R=301,NC]

(The first condition is just to force the "www" part)