Servidores DNS Principal (mname) y Secundario (rname)
host: data-search.org
class: IN
ttl: 3601
type: SOA
mname: dns1.registrar-servers.com
rname: hostmaster.registrar-servers.com
serial: 1788863759
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3601

Servidor de Correo
host: data-search.org
class: IN
ttl: 300
type: MX
pri: 10
target: inbound-smtp.eu-west-1.amazonaws.com