Registro DMARC
v=DMARC1; p=none;

Servidores DNS Principal (mname) y Secundario (rname)
host: claro-promociones.co
class: IN
ttl: 21600
type: SOA
mname: ns1076.ui-dns.org
rname: hostmaster.1und1.com
serial: 2017060151
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

Servidor de Correo
host: claro-promociones.co
class: IN
ttl: 3600
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: claro-promociones.co
class: IN
ttl: 3600
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Servidor de Correo
host: claro-promociones.co
class: IN
ttl: 3600
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Servidor de Correo
host: claro-promociones.co
class: IN
ttl: 3600
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: claro-promociones.co
class: IN
ttl: 3600
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Información TXT
host: claro-promociones.co
class: IN
ttl: 300
type: TXT
txt: google-site-verification=oVevbraRwofRPZtGFaWfrQFPhx8rGQFoNoIoQcCCxKg
entries: Array

Información TXT
host: claro-promociones.co
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:mailgun.org ~all
entries: Array

Información TXT
host: claro-promociones.co
class: IN
ttl: 300
type: TXT
txt: google-site-verification=NLlSj8UzLWa06KlfvHI_NUQZ8PUZGJZD3jlIEytY8qM
entries: Array