bind-formula/bind/files/debian/named.conf.options

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

        // 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 {
        //      0.0.0.0;
        // };

        auth-nxdomain no;    # conform to RFC1035
        {% if salt['pillar.get']('bind:config:ipv6', 'False') %}
        listen-on-v6 { {{ salt['pillar.get']('bind:config:ipv6_listen', 'any') }}; };
        {% endif %}
};