# apt-get install bind9
Crear la zona para el dominio en /etc/bind/named.conf.local
zone "dominio.com" IN {
type master;
file "dominio.com.zone";
allow-transfer { localhost; 10.81.3.69; };
notify yes;
};
Colocar la IP del servidor secundario.dominio.com para replicar la configuración de DNS mediante master/slave de DNS.
Habilitar para que el serividor consulte a otro DNS en /etc/bind/named.conf.options
forwarders {
10.81.3.65;
};
Crear el archivo de zona /var/cache/bind/dominio.com.zone
$TTL 1H
@ IN SOA dns2.dominio.com. root.dominio.com. (
2008060405 ; serial (d. adams)
3H ; refresh
15M ; retry
1W ; expiry
1D ) ; minimum
IN NS dns2.dominio.com.
IN NS dns3.dominio.com.
IN MX 10 correo.dominio.com.
IN A 10.81.3.70
dns2 IN A 10.81.3.68
dns3 IN A 10.81.3.69
correo IN A 10.81.3.70
mail CNAME correo
primario CNAME dns2
secundario CNAME dns3
Reiniciar el servidor
# /etc/init.d/bind9 restart