From 256fad4daf1dac747967c46d3591dd8c7681ad15 Mon Sep 17 00:00:00 2001
From: richtr <rich.tibbett@gmail.com>
Date: Mon, 8 Sep 2014 14:27:04 +0200
Subject: [PATCH] Suppress recursive mDNS queries and query for PTR records
 only

---
 client.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/client.go b/client.go
index d8e67ea..c4500ed 100644
--- a/client.go
+++ b/client.go
@@ -167,7 +167,8 @@ func (c *client) query(params *QueryParam) error {
 
 	// Send the query
 	m := new(dns.Msg)
-	m.SetQuestion(serviceAddr, dns.TypeANY)
+	m.SetQuestion(serviceAddr, dns.TypePTR)
+	m.RecursionDesired = false
 	if err := c.sendQuery(m); err != nil {
 		return nil
 	}
@@ -226,7 +227,8 @@ func (c *client) query(params *QueryParam) error {
 			} else {
 				// Fire off a node specific query
 				m := new(dns.Msg)
-				m.SetQuestion(inp.Name, dns.TypeANY)
+				m.SetQuestion(inp.Name, dns.TypePTR)
+				m.RecursionDesired = false
 				if err := c.sendQuery(m); err != nil {
 					log.Printf("[ERR] mdns: Failed to query instance %s: %v", inp.Name, err)
 				}