Registro DMARC
v=DMARC1; p=none

Servidores DNS Principal (mname) y Secundario (rname)
host: mrbooks.com
class: IN
ttl: 1800
type: SOA
mname: lilyana.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2356784274
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: mrbooks.com
class: IN
ttl: 300
type: MX
pri: 10
target: mrbooks-com.mail.protection.outlook.com

Información TXT
host: mrbooks.com
class: IN
ttl: 300
type: TXT
txt: MS=990F0988BE7047A38D18558376F0D1036B8688C1
entries: Array

Información TXT
host: mrbooks.com
class: IN
ttl: 300
type: TXT
txt: facebook-domain-verification=m7mjim3yo526r6ooe6yc17q3kx27c2
entries: Array

Información TXT
host: mrbooks.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array