Registro DMARC
v=DMARC1; p=none;

Servidores DNS Principal (mname) y Secundario (rname)
host: play-n-learn.com
class: IN
ttl: 7200
type: SOA
mname: NS29.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 125071821
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: play-n-learn.com
class: IN
ttl: 7200
type: MX
pri: 10
target: mail.play-n-learn.com

Información TXT
host: play-n-learn.com
class: IN
ttl: 7200
type: TXT
txt: facebook-domain-verification=f3270dpybl1e5bqluonseadsqgbpg8
entries: Array