Registro DMARC
v=spf1 -all

Registro DMARC
v=spf1 -all

Registro CNAME (Alias)
host: eap.ru.com
class: IN
ttl: 3600
type: CNAME
target: ru.com

Servidores DNS Principal (mname) y Secundario (rname)
host: ru.com
class: IN
ttl: 3600
type: SOA
mname: ns0.centralnic.net
rname: hostmaster.centralnic.net
serial: 3000678892
refresh: 900
retry: 1800
expire: 6048000
minimum-ttl: 3600

Servidor de Correo
host: ru.com
class: IN
ttl: 3600
type: MX
pri: 0
target: 

Información TXT
host: ru.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 -all
entries: Array

Registro CNAME (Alias)
host: eap.ru.com
class: IN
ttl: 3599
type: CNAME
target: ru.com