Registro DMARC
v=DMARC1; p=reject

Servidor de Correo
host: mg.elbuenplan.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mxa.mailgun.org

Servidor de Correo
host: mg.elbuenplan.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mxb.mailgun.org

Información TXT
host: mg.elbuenplan.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:mailgun.org ~all
entries: Array

Información TXT
host: mg.elbuenplan.com
class: IN
ttl: 3600
type: TXT
txt: yahoo-verification-key=Zgdcuo7cQeYaWtJW25LF8xHOOd0UUvSoC6AmFaglGUo=
entries: Array