named.conf.options

acl goodclients {
    192.168.1.0/24;
    localhost;
    localnets;
};

options {
	directory "/var/cache/bind";

	recursion yes;

	// If there is a firewall between you and nameservers you want
	// to talk to, you may need to fix the firewall to allow multiple
	// ports to talk.  See http://www.kb.cert.org/vuls/id/800113

	// If your ISP provided one or more IP addresses for stable 
	// nameservers, you probably want to use them as forwarders.  
	// Uncomment the following block, and insert the addresses replacing 
	// the all-0's placeholder.

	forwarders {
		8.8.8.8;
		8.8.4.4;
	};

	//========================================================================
	// If BIND logs error messages about the root key being expired,
	// you will need to update your keys.  See https://www.isc.org/bind-keys
	//========================================================================

	dnssec-enable yes;

	dnssec-validation auto;

	auth-nxdomain no;

	listen-on-v6 { any; };

	allow-query { goodclients; };

};