--- /etc/named.conf	2010-07-19 15:34:15.000000000 +0200
+++ /etc/named.conf.new	2016-04-03 05:33:08.816019010 +0200
@@ -8,13 +8,19 @@
 //
 
 options {
-	listen-on port 53 { 127.0.0.1; };
+	listen-on port 53 { 
+		127.0.0.1;
+		192.0.2.@@@;
+	};
 	listen-on-v6 port 53 { ::1; };
 	directory 	"/var/named";
 	dump-file 	"/var/named/data/cache_dump.db";
         statistics-file "/var/named/data/named_stats.txt";
         memstatistics-file "/var/named/data/named_mem_stats.txt";
-	allow-query     { localhost; };
+	allow-query     {
+		localhost;
+		192.0.2.0/24;
+	};
 	recursion yes;
 
 	dnssec-enable yes;
@@ -39,6 +45,26 @@
 	file "named.ca";
 };
 
+zone "example.com." IN {
+	type master;
+	file "db.example";
+};
+
+zone "2.0.192.in-addr.arpa." IN {
+	type master;
+	file "db.192.0.2";
+};
+
 include "/etc/named.rfc1912.zones";
 include "/etc/named.root.key";
 
+# Primero,`rdnc-confgen -a'
+include "/etc/rndc.key";
+controls {
+	inet 127.0.0.1 allow {
+		localhost;
+	} keys {
+		"rndc-key";
+	};
+};
+

0