--- /dev/null
+acl "trusted" {
+ #x.x.x.x;
+};
+options {
+ directory "/var/cache/bind";
+
+ recursion yes; # enables recursive queries
+ allow-recursion { netmask; }; # allows recursive queries from "trusted” clients i.e. LB only
+ listen-on { dns_ip_addr; }; # ns1 IP address - listen on this address only
+ allow-transfer { none; }; # disable zone transfers by default
+
+ forwarders {
+ 8.8.8.8;
+ 8.8.4.4;
+ };
+
+ // 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;
+ // };
+
+ //========================================================================
+ // 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-validation auto;
+
+ auth-nxdomain no; # conform to RFC1035
+ listen-on-v6 { any; };
+};
+