Registro DMARC
v=DMARC1;p=quarantine;rua=mailto:dmarcreports@cnt.es;aspf=r;adkim=r;fo=0;

Registro IPv4
host: cnt.es
class: IN
ttl: 3600
type: A
ip: 116.203.66.73

Servidores DNS Principal (mname) y Secundario (rname)
host: cnt.es
class: IN
ttl: 3600
type: SOA
mname: pns11.cloudns.net
rname: hola.estudionexos.com
serial: 2025062203
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: cnt.es
class: IN
ttl: 3600
type: MX
pri: 10
target: mx1.cnt.es

Información TXT
host: cnt.es
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.mailersend.net a mx ip4:116.203.66.73 ip4:91.107.217.140 include:spf.mtasv.net include:eu.mailgun.org -all
entries: Array