Registro DMARC
v=DMARC1; p=none;

Servidores DNS Principal (mname) y Secundario (rname)
host: chandev.com
class: IN
ttl: 664
type: SOA
mname: dns1.registrar-servers.com
rname: hostmaster.registrar-servers.com
serial: 1763785113
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3601

Servidor de Correo
host: chandev.com
class: IN
ttl: 1799
type: MX
pri: 20
target: in2-smtp.messagingengine.com

Servidor de Correo
host: chandev.com
class: IN
ttl: 1799
type: MX
pri: 10
target: in1-smtp.messagingengine.com

Información TXT
host: chandev.com
class: IN
ttl: 1799
type: TXT
txt: v=spf1 include:spf.messagingengine.com ?all
entries: Array