Registro DMARC
v=DMARC1; p=none; sp=none

Registro IPv4
host: sofialearn.com
class: IN
ttl: 600
type: A
ip: 185.135.13.21

Servidores DNS Principal (mname) y Secundario (rname)
host: sofialearn.com
class: IN
ttl: 3600
type: SOA
mname: ns3.european-server.com
rname: hostmaster.sofialearn.com
serial: 1731914275
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 40000

Servidor de Correo
host: sofialearn.com
class: IN
ttl: 3600
type: MX
pri: 50
target: mx.backup.mailprotect.be

Servidor de Correo
host: sofialearn.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mx.mailprotect.be

Información TXT
host: sofialearn.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx include:_spf.relay.mailprotect.be include:spf.mandrillapp.com ptr:nofollow.com ?all
entries: Array