Registro DMARC
v=spf1 include:dhrcenter.com ~all

Registro IPv4
host: dhrcenter.com
class: IN
ttl: 3600
type: A
ip: 220.73.173.116

Servidores DNS Principal (mname) y Secundario (rname)
host: dhrcenter.com
class: IN
ttl: 300
type: SOA
mname: ns01.dhrcenter.com
rname: root.ns01.dhrcenter.com
serial: 2017021532
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: dhrcenter.com
class: IN
ttl: 3600
type: MX
pri: 10
target: main-sv1.dhrcenter.com

Información TXT
host: dhrcenter.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:dhrcenter.com ~all
entries: Array