RewriteEngine on
RewriteCond   %{HTTP_HOST}                 ^([^\.]+)\.(freewar|thebugfix|serverkompetenz)\.(net|info)$
RewriteCond   %{REQUEST_URI}                !/%2\.%1/%3
RewriteCond   %{REQUEST_URI}                !/var/www
RewriteRule   ^(.+)                        %{HTTP_HOST}$1          [C]
RewriteRule   ^([^\.]+)\.(freewar|thebugfix|serverkompetenz)\.(net|info)/?(.*) /var/www/$2.$3/$1/$4