Apache 301 SEO redirect of domain, subdomain, tld, naked domain.

apache_redirect_domain_tld

# Example of working basic configuration
<VirtualHost *:80>
        ServerAdmin webmaster@localhost

        ServerName www.villapiaeventi.it
        DocumentRoot /var/www/villapiaeventi.it
        <Directory />
                Options FollowSymLinks
                AllowOverride All
        </Directory>
        <Directory /var/www/villapiaeventi.it>
                Options Indexes FollowSymLinks MultiViews
                AllowOverride All
                Order allow,deny
                allow from all
        </Directory>
</VirtualHost>

# Specific redirect, only one hop, no chained 301 redirect
<VirtualHost *:80>
    ServerName villapiaeventi.it
    ServerAlias *.villapiaeventi.it villapiaeventi.com *.villapiaeventi.com
    RedirectPermanent / http://www.villapiaeventi.it/
</VirtualHost>

# General redirect  for naked domain
<VirtualHost *:80>
  ServerName default
  ServerAlias *
  <IfModule mod_rewrite.c>
    RewriteEngine on
    # WITH 'www.'
    RewriteCond %{HTTP_HOST} !^www.(.*) [nocase]
    RewriteRule ^(.*)$ http://www.%{HTTP_HOST}$1 [redirect=permanent,nocase,last]
  </IfModule>
</VirtualHost>