Registro DMARC
v=spf1 include:spf.protection.outlook.com ip4:67.139.220.0/28 ip4:70.103.72.161/27 ip4:69.25.128.128/26 ip4:206.72.97.66/26:206.72.108.128/29 ~all

Registro IPv4
host: brokertecsystems.com
class: IN
ttl: 7200
type: A
ip: 205.178.189.131

Servidores DNS Principal (mname) y Secundario (rname)
host: brokertecsystems.com
class: IN
ttl: 7200
type: SOA
mname: NS53.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 123122803
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: brokertecsystems.com
class: IN
ttl: 3600
type: MX
pri: 10
target: brokertecsystems-com.mail.protection.outlook.com

Información TXT
host: brokertecsystems.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com ip4:67.139.220.0/28 ip4:70.103.72.161/27 ip4:69.25.128.128/26 ip4:206.72.97.66/26:206.72.108.128/29 ~all
entries: Array