#13 exactamente.
este es uno mio:
acl trusted {
94.23.242.162/24;
91.121.197.209/24;
95.211.6.31/24;
213.186.33.199/24;
87.98.218.117/24;
85.10.201.194/24;
176.9.151.203/24;
176.9.82.146/24;
192.99.4.80/24;
10.0.0.0/8;
localhost;
};
options {
directory "/var/cache/bind";
dnssec-validation auto;
listen-on-v6 { any; };
listen-on { any; };
check-names master warn;
check-names slave warn;
check-names response warn;
notify yes;
allow-query { any; };
allow-query-cache { trusted; };
allow-notify { trusted; };
allow-transfer { trusted; };
allow-recursion { trusted; };
version "Hurricane DNS Grid 1.0 (blurb)";
forwarders {
213.186.33.199;
8.8.8.8;
8.8.4.4;
};
};
#zabbix monitoring.
statistics-channels {
inet 127.0.0.1 port 8053 allow { 127.0.0.1; };
};
#fail2ban
logging {
channel security_file {
file "/var/log/named/security.log" versions 3 size 30m;
severity dynamic;
print-time yes;
};
category security {
security_file;
};
};
quitando el mogollon de ips de arriba, dejando solo tu rango local, ya tienes todo lo necesario para tener un servidor dns...