Instalar Servidor DNS (Bind9)

Ubuntu 20.04 = 10.10.20.10 Nombre del domimio = vm.enunpimpam.com Red = 10.10.20.0/24

Instalar Bind 9

apt-get install bind9 bind9utils bind9-doc dnsutils

Configurar Bind9

/etc/bind/named.conf.options

nano /etc/bind/named.conf.options

options {
        directory "/var/cache/bind";
        auth-nxdomain no;    # conform to RFC1035
     // listen-on-v6 { any; };
        listen-on port 53 { localhost; 10.10.20.0/24; };
        allow-query { localhost; 10.10.20.0/24; };
        forwarders { 8.8.8.8; };
        recursion yes;
        };

/etc/bind/named.conf.local

zone    "vm.enunpimpam.com"   {
        type master;
        file    "/etc/bind/forward.vm.enunpimpam.com";
 };

zone   "20.10.10.in-addr.arpa"        {
       type master;
       file    "/etc/bind/reverse.vm.enunpimpam.com";
 };