Servidores DNS Principal (mname) y Secundario (rname)
host: tierrasdelsur.cc
class: IN
ttl: 1800
type: SOA
mname: ben.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2338528534
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: tierrasdelsur.cc
class: IN
ttl: 300
type: MX
pri: 10
target: inbound-smtp.us-west-2.amazonaws.com