don't break if dns_system is true

10 years ago · 1e95e58811
1 changed files with 2 additions and 1 deletions
--- a/inc/functions.php
+++ b/inc/functions.php
@ -2265,7 +2265,6 @@ function rDNS($ip_addr) {

 	if (!$config['dns_system']) {
 		$host = gethostbyaddr($ip_addr);
-		$isip = filter_var($host, FILTER_VALIDATE_IP);
 	} else {
 		$resp = shell_exec_error('host -W 1 ' . $ip_addr);
 		if (preg_match('/domain name pointer ([^\s]+)$/', $resp, $m))
@ -2274,6 +2273,8 @@ function rDNS($ip_addr) {
 			$host = $ip_addr;
 	}

+	$isip = filter_var($host, FILTER_VALIDATE_IP);
+
 	if ($config['fcrdns'] && !$isip && gethostbyname($host) != $ip_addr) {
 		$host = $ip_addr;
 	}