From 840715adf2e48191b61ec30741c8996439ce8617 Mon Sep 17 00:00:00 2001
From: Curtis McEnroe <programble@gmail.com>
Date: Sun, 2 Feb 2014 16:24:17 -0500
Subject: [PATCH] Respond with NOTIMP for DNS queries that aren't supported

---
 pult-server.js | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/pult-server.js b/pult-server.js
index 2b9efb1..a3c61ee 100644
--- a/pult-server.js
+++ b/pult-server.js
@@ -62,13 +62,14 @@ var dnsServer = dns.createServer();
 dnsServer.on('request', function dnsRequest(req, res) {
   var name = req.question[0].name;
   var type = dns.consts.QTYPE_TO_NAME[req.question[0].type];
-  if (getPort(name)) {
-    if (type == 'A' || type == 'ANY')
-      res.answer.push(dns.A({
-        name: name,
-        address: listenHost,
-        ttl: 600
-      }));
+  if (getPort(name) && (type == 'A' || type == 'ANY')) {
+    res.answer.push(dns.A({
+      name: name,
+      address: listenHost,
+      ttl: 600
+    }));
+  } else {
+    res.header.rcode = dns.consts.NAME_TO_RCODE.NOTIMP;
   }
   res.send();
 });