Registro DMARC
v=DMARC1; p=reject; aspf=s; adkim=s; rua=mailto:alertas@nexuminformatica.es 

Registro IPv4
host: nexuminformatica.es
class: IN
ttl: 900
type: A
ip: 84.79.18.134

Servidores DNS Principal (mname) y Secundario (rname)
host: nexuminformatica.es
class: IN
ttl: 1095
type: SOA
mname: ns1.cdmon.net
rname: hostmaster.nexuminformatica.es
serial: 1
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

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

Información TXT
host: nexuminformatica.es
class: IN
ttl: 900
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array