Registro IPv4
host: etapa.com
class: IN
ttl: 300
type: A
ip: 20.49.104.34

Servidores DNS Principal (mname) y Secundario (rname)
host: etapa.com
class: IN
ttl: 900
type: SOA
mname: ns-1277.awsdns-31.org
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: etapa.com
class: IN
ttl: 300
type: MX
pri: 1
target: smtp.google.com