Registro DMARC
v=DMARC1; p=reject

Servidores DNS Principal (mname) y Secundario (rname)
host: formalist.net
class: IN
ttl: 398
type: SOA
mname: dns1.registrar-servers.com
rname: hostmaster.registrar-servers.com
serial: 1785686464
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3601

Servidor de Correo
host: formalist.net
class: IN
ttl: 90
type: MX
pri: 1
target: smtp.google.com

Información TXT
host: formalist.net
class: IN
ttl: 90
type: TXT
txt: v=spf1 include:_spf.google.com ~all
entries: Array