Registro DMARC
v=spf1 include:spf.oryanoo.com ~all

Servidores DNS Principal (mname) y Secundario (rname)
host: extranet-e.net
class: IN
ttl: 21600
type: SOA
mname: ns0.directnic.com
rname: hostmaster.directnic.com
serial: 2016061414
refresh: 28800
retry: 14400
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: extranet-e.net
class: IN
ttl: 21600
type: MX
pri: 1
target: mx001.extranet-e.net

Información TXT
host: extranet-e.net
class: IN
ttl: 21600
type: TXT
txt: v=spf1 include:spf.oryanoo.com ~all
entries: Array