Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc_reports@heraldo.es; ruf=mailto:dmarc_reports@heraldo.es; fo=1; pct=100; adkim=r; aspf=r

Registro IPv4
host: HERALDO.ES
class: IN
ttl: 90
type: A
ip: 18.172.213.76

Registro IPv4
host: HERALDO.ES
class: IN
ttl: 90
type: A
ip: 18.172.213.42

Registro IPv4
host: HERALDO.ES
class: IN
ttl: 90
type: A
ip: 18.172.213.102

Registro IPv4
host: HERALDO.ES
class: IN
ttl: 90
type: A
ip: 18.172.213.32

Servidores DNS Principal (mname) y Secundario (rname)
host: HERALDO.ES
class: IN
ttl: 900
type: SOA
mname: ns-1568.awsdns-04.co.uk
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: HERALDO.ES
class: IN
ttl: 300
type: MX
pri: 0
target: heraldo-es.mail.protection.outlook.com

Información TXT
host: HERALDO.ES
class: IN
ttl: 300
type: TXT
txt: mandrill_verify.ToOS5Bh09FqKO_JY0eyAVQ
entries: Array

Información TXT
host: HERALDO.ES
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.google.com include:_spf.mailgun.org include:_spf.eu.mailgun.org include:spf.mandrillapp.com include:amazonses.com include:spf3.heraldo.es -all
entries: Array