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;
	// };

	//========================================================================
	// 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

   // Security options
   listen-on port 53 {
      127.0.0.1;
      192.168.92.1;
   };

   allow-query {
      127.0.0.1;
      192.168.0.0/16;
      10.0.0.0/8;
   };

   // caching name services
   recursion yes;
   allow-recursion {
      127.0.0.1;
      192.168.0.0/16;
      10.0.0.0/16;
   };
   allow-transfer { none; };

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

logging {
   channel simple_log {
      file "/var/log/named/bind.log" versions 3 size 5m;
      //severity warning;
      severity info;
      print-time yes;
      print-severity yes;
      print-category  yes;
   };
   channel queries_log {
      file "/var/log/named/query.log" versions 10 size 5m;
      severity debug;
      //severity notice;
      print-time yes;
      print-severity yes;
      print-category no;
   };
   channel log_zone_transfers {
      file "/var/log/named/axfr.log" versions 5 size 2m;
      severity info;
      print-time yes;
      print-severity yes;
      print-category yes;
   };
   category resolver {
      queries_log;
   };
   category queries {
      queries_log;
   };
   category xfer-in {
      log_zone_transfers;
   };
   category xfer-out {
      log_zone_transfers;
   };
   category notify {
      log_zone_transfers;
   };
   category default{
      simple_log;
   };
};