Replace 1.2.3.4 with your accelerator's public ip.

acl "internals" { 1.2.3.4 ; 127.0.0/8 ; };
acl "everydns" { 64.158.219.0/24; 4.79.232.0/24; 38.99.14.0/24; 216.218.240.206; 80.84.249.169; 63.219.183.200; };
acl "gandi" { 217.70.177.40; }

options {
        directory "/var/named";
        allow-recursion { "internals"; };
        allow-transfer { "internals"; "everydns"; "gandi";};
        statistics-file "/var/log/named.stats";
        listen-on { 127.0.0.1; 1.2.3.4; };
        forwarders { 208.67.220.220; 208.67.222.222; };
};

include "/etc/rndc.key";

controls {
        inet 127.0.0.1 port 953 allow { 127.0.0.1; } keys { "rndc-key"; };
};

logging {
        channel namedlog {
                file "/var/log/named.log" versions 5 size 2m;
                print-time yes;
                print-category yes;
        };
        category xfer-out { namedlog; };
        category security { namedlog; };
        category lame-servers { null; };
};

zone "." { type hint; file "named.root"; };
zone "0.0.127.in-addr.arpa" { type master; file "named.local"; };
zone "localhost" { type master; file "localhost.zone"; };

zone "mydomain.net" { type master; file "mydomain.net.zone"; };