Te file say that is for 1.11.1 but something inside it stop all.

When I leave only some part of it (see bottom), the site works but Multidomains
not:

Wich part can be stoping my site? and Wich part can put in it in order to
Multidomains work?

See bottom...

---------------------------------------------
<?php

// CMS made simple Config File
// Version 2.1 (from CMSms 1.11.x)
// English, improved Version
// Modified by: Andi Petzoldt, https://plus.google.com/113580733838250075244

// Hinweis: bot-sleep und bot-command sind Anweisungen für Scripte - bitte nicht
löschen oder verändern
/* bot-command: version='2.1' */

// Settings for Live-Server
$config['dbms'] = 'mysqli'; // mysql oder mysqli
$config['db_hostname'] = '******************************'; // MySQL Hostname
$config['db_username'] = '*******'; // MySQL Username
$config['db_password'] = '********************'; // MySQL Password
$config['db_name'] = '*************'; // MySQL Database-Name
$config['db_port'] = '0'; // MySQL Port, mostly 3306, some Provider are using
3307 for MySQL 5 Databases
$config['db_prefix'] = 'axxe_'; // Default value is cms_ - change it if you use
more than one CMSms installations within one database
$config['subdir'] = ''; // Default is no subdirectory (leave empty)
$config['server_prefix'] = ''; // If you want to use a prefix (e.g. www.)
$config['http_port'] = ''; // If your Webserver uses a different port than 80,
enter it here (e.g. 8080)
$config['ssl_url'] = ''; // If you use a different URL for SSL (e.g. for a
SSL-Proxy), enter this URL here
$config['ssl_port'] = ''; // If you use a Non-Standard-Port for SSL, you can
enter the port number here
$config['dev'] = false; // This parameter can be used from developers

// Settings for local development server - remove the comments (#) and fill in
your data
#if ($_SERVER['SERVER_ADDR']=='127.0.0.1') {
#	$config['dbms'] = 'mysqli'; // mysql oder mysqli
#	$config['db_hostname'] = 'localhost'; // MySQL Hostname
#	$config['db_username'] = 'mysql_username'; // MySQL Username
#	$config['db_password'] = 'mysql_passwort'; // MySQL Password
#	$config['db_name'] = 'mysql_db_name'; // MySQL Database-Name
#	$config['db_port'] = '3306'; // MySQL Port, mostly 3306, some Provider are
using 3307 for MySQL 5 Databases
#	$config['db_prefix'] = 'cms_'; // Default value is cms_ - change it if you use
more than one CMSms installations within one database
#	$config['subdir'] = ''; // Default is no subdirectory (leave empty)
#	$config['server_prefix'] = ''; // If you want to use a prefix (e.g. www.)
#	$config['http_port'] = ''; // If your Webserver uses a different port than 80,
enter it here (e.g. 8080)
#	$config['ssl_url'] = ''; // If you use a different URL for SSL (e.g. for a
SSL-Proxy), enter this URL here
#	$config['ssl_port'] = ''; // If you use a Non-Standard-Port for SSL, you can
enter the port number here
#	$config['dev'] = false; // This parameter can be used from developers
#}

// Timezone Setting
// PHP 5.3 expects a timezone setting for the server
// This var can be used to set the timezone
// Find help and possible values here:
// http://www.php.net/manual/en/timezones.php
// Leave this field blank to use no timezone
$config['timezone'] = 'America/Mexico_City';

$config['url_rewriting'] = 'mod_rewrite';

// Show mod_rewrite URLs in the menu? You must enable 'use_hierarchy' for this
to work for modules
$config['assume_mod_rewrite'] = true;

// EOF
?>