Servidores DNS Principal (mname) y Secundario (rname)
host: itr.cl
class: IN
ttl: 21600
type: SOA
mname: ns1.linode.com
rname: consultora.itr.cl
serial: 2021000003
refresh: 14400
retry: 14400
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: itr.cl
class: IN
ttl: 21600
type: MX
pri: 30
target: mx3.zoho.com

Servidor de Correo
host: itr.cl
class: IN
ttl: 21600
type: MX
pri: 20
target: mx2.zoho.com

Servidor de Correo
host: itr.cl
class: IN
ttl: 21600
type: MX
pri: 10
target: mx.zoho.com