allow-recursion

acl "transfer" {
  10.0.0.0/8;
  176.9.187.208/28;
  176.9.204.48/29;
  188.40.254.208/29;
};

options {
  listen-on port 53 { 127.0.0.1;10.27.253.10;10.27.253.11;176.9.204.50;176.9.187.218; };
  listen-on-v6 port 53 { ::1; };
  directory   "/var/cache/bind";
  dump-file   "/var/cache/bind/data/cache_dump.db";
  statistics-file "/var/cache/bind/data/named_stats.txt";
  memstatistics-file "/var/cache/bind/data/named_mem_stats.txt";
  allow-query     { any; };
  allow-transfer  { "transfer"; };

  recursion yes;
  allow-recursion { any; };
  forwarders { 8.8.8.8; 8.8.4.4; };
  rrset-order { order random; };