Registro DMARC
v=spf1 include:spf.cafe24.com ~all

Servidores DNS Principal (mname) y Secundario (rname)
host: celfey.com
class: IN
ttl: 1800
type: SOA
mname: celfey.com
rname: postmaster.celfey.com
serial: 20141216
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: celfey.com
class: IN
ttl: 1800
type: MX
pri: 10
target: spam.cafe24.com

Información TXT
host: celfey.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 include:spf.cafe24.com ~all
entries: Array