From 45ab9b512b493650b4f3cbc55e4b5cf513f3eb5c Mon Sep 17 00:00:00 2001
From: Niklas Keller <me@kelunik.com>
Date: Sun, 5 Feb 2017 09:49:46 +0100
Subject: [PATCH] Search for DhcpNameServer in interfaces on Windows

Resolves #49.
---
 lib/DefaultResolver.php | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/lib/DefaultResolver.php b/lib/DefaultResolver.php
index d9080db..dd746f9 100644
--- a/lib/DefaultResolver.php
+++ b/lib/DefaultResolver.php
@@ -367,10 +367,16 @@ REGEX;
             if ($nameserver === "") {
                 $subKeys = (yield $reader->listKeys("HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces"));
 
-                while ($nameserver === "" && ($key = array_shift($subKeys))) {
-                    try {
-                        $nameserver = (yield $reader->read("{$key}\\NameServer"));
-                    } catch (KeyNotFoundException $e) { }
+                foreach ($subKeys as $key) {
+                    foreach (["NameServer", "DhcpNameServer"] as $property) {
+                        try {
+                            $nameserver = (yield $reader->read("{$key}\\{$property}"));
+
+                            if ($nameserver !== "") {
+                                break 2;
+                            }
+                        } catch (KeyNotFoundException $e) { }
+                    }
                 }
             }