Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc_reports@adif.es; ruf=mailto:dmarc_reports@adif.es; sp=quarantine; fo=0:1:d:s;

Servidores DNS Principal (mname) y Secundario (rname)
host: adif.es
class: IN
ttl: 86400
type: SOA
mname: dnsmaster.adif.es
rname: dnsmaster.adif.es
serial: 2012062078
refresh: 28800
retry: 14400
expire: 3600000
minimum-ttl: 86400

Servidor de Correo
host: adif.es
class: IN
ttl: 86400
type: MX
pri: 30
target: adif-es.mail.protection.outlook.com

Servidor de Correo
host: adif.es
class: IN
ttl: 86400
type: MX
pri: 20
target: mx2.hc1197-70.eu.iphmx.com

Servidor de Correo
host: adif.es
class: IN
ttl: 86400
type: MX
pri: 10
target: mx1.hc1197-70.eu.iphmx.com

Información TXT
host: adif.es
class: IN
ttl: 86400
type: TXT
txt: MS=ms92161592
entries: Array

Información TXT
host: adif.es
class: IN
ttl: 86400
type: TXT
txt: 1676906933566
entries: Array

Información TXT
host: adif.es
class: IN
ttl: 86400
type: TXT
txt: v=spf1 mx a:smtp.adif.es a:ebro.adif.es a:duero.adif.es include:spf.protection.outlook.com exists:%{i}.spf.hc1197-70.eu.iphmx.com ~all
entries: Array