Registro DMARC
v=DMARC1;p=none;

Registro IPv4
host: mercan.com
class: IN
ttl: 7200
type: A
ip: 52.60.145.16

Servidores DNS Principal (mname) y Secundario (rname)
host: mercan.com
class: IN
ttl: 7200
type: SOA
mname: NS5.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 124030611
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: mercan.com
class: IN
ttl: 3600
type: MX
pri: 0
target: mercan-com.mail.protection.outlook.com

Información TXT
host: mercan.com
class: IN
ttl: 3600
type: TXT
txt: MS=ms79642546
entries: Array

Información TXT
host: mercan.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array