Registro DMARC
v=DMARC1;p=none;

Servidores DNS Principal (mname) y Secundario (rname)
host: cprcertified.net
class: IN
ttl: 3600
type: SOA
mname: dns1.name-services.com
rname: info.name-services.com
serial: 1718736705
refresh: 172800
retry: 900
expire: 1814400
minimum-ttl: 300

Servidor de Correo
host: cprcertified.net
class: IN
ttl: 1800
type: MX
pri: 10
target: mxb.mailgun.org

Servidor de Correo
host: cprcertified.net
class: IN
ttl: 1800
type: MX
pri: 10
target: mxa.mailgun.org

Información TXT
host: cprcertified.net
class: IN
ttl: 1800
type: TXT
txt: v=spf1 include:mailgun.org ~all
entries: Array