Solo utiliza la direccion
FTP,
IP o
WWW de el host.
Código PHP:
<?
$hostname = "ftp.midominio.com"; // Host name
//$hostname = "www.midominio.com"; // Host name
//$hostname = "192.204.80.46"; // Host name
$username = "username"; // User name
$password = "password"; // Password
$database = "database"; // Data Base
$connection = mysql_connect($hostname, $username, $password) or die(mysql_error());
mysql_select_db($database) or die(mysql_error());
?>