Сервер не может получить страницу (Curl, file_get_contents)

<?
$unvan_smert="http://google.com"; 
$curl_smert = curl_init(); 
curl_setopt($curl_smert, CURLOPT_URL, $unvan_smert); 
curl_setopt($curl_smert, CURLOPT_RETURNTRANSFER, 1); 
$httpheader = array('Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5', 'Cache-Control: max-age=0', 'Connection: close', 'Accept-Charset: iso-8859-1, utf-8, utf-16, *;q=0.1', 'Accept-Language: ru-RU,ru;q=0.9,en;q=0.8', 'Pragma: no-cache');
$httpheader[] = 'X-Forwarded-For: '.mt_rand(1, 255).'.'.mt_rand(1, 255).'.'.mt_rand(1, 255).'.'.mt_rand(1, 255);
curl_setopt($curl_smert, CURLOPT_HEADER, 0);
curl_setopt($curl_smert, CURLOPT_HTTPHEADER, $httpheader);
curl_setopt($curl_smert, CURLOPT_TIMEOUT, 6); 
curl_setopt($curl_smert, CURLOPT_USERAGENT,'Opera/9.80 (Windows NT 6.1; MRA 6.1 (build '.rand(1,9999).')) Presto/2.12.'.rand(1,999).' Version/12.16');
$sehife_smert = curl_exec($curl_smert); 
curl_close($curl_smert); 
echo $sehife_smert;
 
?>

error_reporting(E_ALL);
ini_set('display_errors', 1);