Registro DMARC
v=DMARC1; p=reject;

Servidores DNS Principal (mname) y Secundario (rname)
host: power-of-the-pen.com
class: IN
ttl: 3600
type: SOA
mname: ns1.name.com
rname: hostmaster.nsone.net
serial: 1733829327
refresh: 43200
retry: 7200
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: power-of-the-pen.com
class: IN
ttl: 300
type: MX
pri: 10
target: pen.power-of-the-pen.com

Información TXT
host: power-of-the-pen.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx ~all
entries: Array

Información TXT
host: power-of-the-pen.com
class: IN
ttl: 300
type: TXT
txt: yahoo-verification-key=sklau7hW/2aS1dmZKdgE54t+mFYT7Ccarhf1NqOeETY=
entries: Array