Registro DMARC
v=spf1 include:spf.messagingengine.com ?all

Registro IPv4
host: earthware.com
class: IN
ttl: 7200
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: earthware.com
class: IN
ttl: 7200
type: SOA
mname: NS27.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 121120112
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: earthware.com
class: IN
ttl: 7200
type: MX
pri: 20
target: in2-smtp.messagingengine.com

Servidor de Correo
host: earthware.com
class: IN
ttl: 7200
type: MX
pri: 10
target: in1-smtp.messagingengine.com

Información TXT
host: earthware.com
class: IN
ttl: 7200
type: TXT
txt: v=spf1 include:spf.messagingengine.com ?all
entries: Array