Registro DMARC
v=DMARC1; p=reject; sp=reject;

Registro IPv4
host: alstom.es
class: IN
ttl: 300
type: A
ip: 81.92.80.55

Registro IPv4
host: alstom.es
class: IN
ttl: 300
type: A
ip: 81.92.80.56

Servidores DNS Principal (mname) y Secundario (rname)
host: alstom.es
class: IN
ttl: 300
type: SOA
mname: obs.ns1.fr
rname: technical.nameshield.net
serial: 2024021613
refresh: 86400
retry: 43200
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: alstom.es
class: IN
ttl: 300
type: MX
pri: 5
target: relay.alstom.gmessaging.net

Información TXT
host: alstom.es
class: IN
ttl: 300
type: TXT
txt: v=spf1 -all
entries: Array