Registro DMARC
v=DMARC1; p=none; rua=mailto:postmaster@desafio.org

Registro IPv4
host: desafio.org
class: IN
ttl: 19362
type: A
ip: 190.210.186.242

Servidores DNS Principal (mname) y Secundario (rname)
host: desafio.org
class: IN
ttl: 38400
type: SOA
mname: vnct4005.avnam.net
rname: root.vnct4005.avnam.net
serial: 1417522770
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 38400

Servidor de Correo
host: desafio.org
class: IN
ttl: 38400
type: MX
pri: 5
target: mail.desafio.org

Servidor de Correo
host: desafio.org
class: IN
ttl: 38400
type: MX
pri: 10
target: mxa.mailgun.org

Servidor de Correo
host: desafio.org
class: IN
ttl: 38400
type: MX
pri: 10
target: mxb.mailgun.org

Información TXT
host: desafio.org
class: IN
ttl: 38400
type: TXT
txt: v=spf1 a mx a:desafio.org a:condor2483.startdedicated.com include:mailgun.org include:_spf.embluemail.com ip4:209.126.127.171 ip4:190.210.186.242 include:avnam.net ~all
entries: Array