Registro DMARC
v=DMARC1;p=reject;

Registro IPv4
host: ceinco.org
class: IN
ttl: 759
type: A
ip: 217.76.132.154

Servidores DNS Principal (mname) y Secundario (rname)
host: ceinco.org
class: IN
ttl: 759
type: SOA
mname: dns1.serv556019.servidoresdns.net
rname: hostmaster.serv556019.servidoresdns.net
serial: 2017111465
refresh: 21600
retry: 3600
expire: 2419200
minimum-ttl: 60

Servidor de Correo
host: ceinco.org
class: IN
ttl: 759
type: MX
pri: 10
target: mx.serviciodecorreo.es

Información TXT
host: ceinco.org
class: IN
ttl: 90
type: TXT
txt: v=spf1 include:_spf.serviciodecorreo.es ~all
entries: Array