Registro DMARC
v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400

Registro IPv4
host: fer.es
class: IN
ttl: 3089
type: A
ip: 217.76.130.173

Servidores DNS Principal (mname) y Secundario (rname)
host: fer.es
class: IN
ttl: 85889
type: SOA
mname: ns1.fer.es
rname: hostmaster.fer.es
serial: 2005041890
refresh: 21600
retry: 3600
expire: 2419200
minimum-ttl: 86400

Servidor de Correo
host: fer.es
class: IN
ttl: 3089
type: MX
pri: 10
target: mx.serviciodecorreo.es

Información TXT
host: fer.es
class: IN
ttl: 3089
type: TXT
txt: v=spf1 include:spf.ipzmarketing.com include:_spf.serviciodecorreo.es include:_spf.google.com ~all
entries: