Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc-na@serco-na.com

Servidores DNS Principal (mname) y Secundario (rname)
host: brtrc.com
class: IN
ttl: 7200
type: SOA
mname: NS39.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 124043020
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: brtrc.com
class: IN
ttl: 900
type: MX
pri: 10
target: mx1.hc3707-74.iphmx.com

Servidor de Correo
host: brtrc.com
class: IN
ttl: 900
type: MX
pri: 10
target: mx2.hc3707-74.iphmx.com

Servidor de Correo
host: brtrc.com
class: IN
ttl: 900
type: MX
pri: 5
target: brtrc-com.mail.protection.outlook.com

Información TXT
host: brtrc.com
class: IN
ttl: 900
type: TXT
txt: v=spf1 exists:%{i}.spf.hc3707-74.iphmx.com include:spf.protection.outlook.com -all
entries: Array

Información TXT
host: brtrc.com
class: IN
ttl: 900
type: TXT
txt: MS=ms15399326
entries: Array

Información TXT
host: brtrc.com
class: IN
ttl: 900
type: TXT
txt: MS=801D6854C9F12D2E860025AD082120E5E0D8D989
entries: Array