BIND9

db.100.168.192

$TTL 86400

@     IN    SOA     ns.geta6.net. root.geta6.net. (
      2012120702    ; Serial
      3600          ; Refresh
      1800          ; Retry
      604800        ; Expire
      86400         ; Minimum TTL
)

      IN    NS      ns.geta6.net.
      IN    PTR     geta6.net.
      IN    A       255.255.255.0
30    IN    PTR     ns.geta6.net.

db.geta6.net

$TTL 86400

@     IN    SOA     ns.geta6.net. root.geta6.net. (
      2012120701    ; Serial
      3600          ; Refresh
      1800          ; Retry
      604800        ; Expire
      86400         ; Minimum TTL
)

      IN    NS      ns.geta6.net.
      IN    A       192.168.100.100
      IN    MX 10   ns.geta6.net.
*     IN    A       192.168.100.100

named.conf.local

//
// Do any local configuration here
//

// Consider adding the 1918 zones here, if they are not used in your
// organization
//include "/etc/bind/zones.rfc1918";

zone "geta6.net" {
  type master;
  file "/etc/bind/db.geta6.net";
  allow-update { none; };
};

zone "100.168.192.in-addr.arpa" {
  type master;
  file "/etc/bind/db.100.168.192";
  allow-update { none; };
};

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 {
    8.8.8.8;
    8.8.4.4;
  };

  allow-query { localhost; 192.168.100.0/24; };
  allow-transfer { localhost; 192.168.100.0/24; };
  allow-recursion { localhost; 192.168.100.0/24; };

  //========================================================================
  // 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 { none; };
};