Registro DMARC
v=DMARC1; p=reject; sp=none; rf=afrf; pct=100; ri=86400

Registro IPv4
host: rafengineering.eu
class: IN
ttl: 14400
type: A
ip: 79.124.76.189

Servidores DNS Principal (mname) y Secundario (rname)
host: rafengineering.eu
class: IN
ttl: 21600
type: SOA
mname: ns1.copystar.org
rname: admin.rafengineering.eu
serial: 2017111401
refresh: 86400
retry: 7200
expire: 2400000
minimum-ttl: 86400

Servidor de Correo
host: rafengineering.eu
class: IN
ttl: 14400
type: MX
pri: 0
target: mail.rafengineering.eu

Información TXT
host: rafengineering.eu
class: IN
ttl: 14400
type: TXT
txt: v=spf1 +a +mx -all
entries: Array