/etc/named.conf

options {
    listen-on port 53 { 127.0.0.1; 192.168.4.232; };
        listen-on-v6 port 53 { ::1; };
        directory   "/var/named";
        dump-file   "/var/named/data/cache_dump.db";
        statistics-file "/var/named/data/named_stats.txt";
        memstatistics-file "/var/named/data/named_mem_stats.txt";
        allow-query     { any; };
        recursion yes;


        dnssec-enable yes;
        dnssec-validation yes;
        dnssec-lookaside auto;

        /* Path to ISC DLV key */
        bindkeys-file "/etc/named.iscdlv.key";

        managed-keys-directory "/var/named/dynamic";
};

logging {
    channel default_debug {
                file "data/named.run";
                severity dynamic;
        };
};

zone "." IN {
    type hint;
        file "named.ca";
};

include "/etc/named.rfc1912.zones";
include "/etc/named.root.key";

zone "servercentos.com" {
type master;
file "/etc/named/servercentos";
};

zone "4.168.192.in-addr.arpa" IN {
type master;
file "/etc/named/servercentosip";
allow-update { none; };
};