OpenBSD-4.6/etc/bind/named-dual.conf

// $OpenBSD: named-dual.conf,v 1.10 2008/08/29 11:47:49 jakob Exp $
//
// Example file for a named configuration with dual views,
// one processing recursive queries only and one processing
// authoritative-only queries.


// Update this list to include only the networks for which you want
// to execute recursive queries. The default setting allows all hosts
// on any IPv4 networks for which the system has an interface, and
// the IPv6 localhost address.
//
acl clients {
	localnets;
	::1;
};

options {
	version "";	// remove this to allow version queries

	listen-on    { any; };
	listen-on-v6 { any; };

	empty-zones-enable yes;
};

logging {
	category lame-servers { null; };
};

view "recursive" {
	match-clients { clients; };
	match-recursive-only yes;
	allow-recursion { clients; };

	zone "." {
		type hint;
		file "etc/root.hint";
	};

	zone "localhost" {
		type master;
		file "standard/localhost";
		allow-transfer { localhost; };
	};

	zone "127.in-addr.arpa" {
		type master;
		file "standard/loopback";
		allow-transfer { localhost; };
	};

	zone "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa" {
		type master;
		file "standard/loopback6.arpa";
		allow-transfer { localhost; };
	};
};

view "authoritative" {
	recursion no;
	additional-from-auth no;
	additional-from-cache no;

	// Master zones
	//
	//zone "myzone.net" {
	//	type master;
	//	file "master/myzone.net";
	//};

	// Slave zones
	//
	//zone "otherzone.net" {
	//	type slave;
	//	file "slave/otherzone.net";
	//	masters { 192.168.1.10; [...;] };
	//};
};