Registro DMARC
v=DMARC1; p=none; ruf=mailto:dmarc.report.failure@masterd.es; rua=mailto:dmarc.report@masterd.es,mailto:dmarc_agg@vali.email;

Registro IPv4
host: masterd.es
class: IN
ttl: 3600
type: A
ip: 52.213.22.55

Registro IPv4
host: masterd.es
class: IN
ttl: 3600
type: A
ip: 52.30.61.180

Servidores DNS Principal (mname) y Secundario (rname)
host: masterd.es
class: IN
ttl: 3600
type: SOA
mname: ns1-36.azure-dns.com
rname: sistemas.masterd.es
serial: 528
refresh: 900
retry: 600
expire: 3600
minimum-ttl: 3600

Servidor de Correo
host: masterd.es
class: IN
ttl: 300
type: MX
pri: 10
target: masterd-es.mail.protection.outlook.com

Información TXT
host: masterd.es
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx a ip4:195.235.216.0/24 ip4:40.107.0.0/16 ip4:195.57.96.249/32 a:masterd.es include:spf.protection.outlook.com include:spf.a3asesor-rrhh.com ~all
entries: Array

Información TXT
host: masterd.es
class: IN
ttl: 3600
type: TXT
txt: sophos-domain-verification=3d8535235640bbb27ee4f2313a97a4b50faccfdf996b3d1322f82f3c02b05c13
entries: Array