Registro DMARC
v=DMARC1;p=none

Registro IPv4
host: exch.cx
class: IN
ttl: 300
type: A
ip: 89.21.64.132

Registro IPv4
host: exch.cx
class: IN
ttl: 300
type: A
ip: 149.202.88.23

Servidores DNS Principal (mname) y Secundario (rname)
host: exch.cx
class: IN
ttl: 1800
type: SOA
mname: luke.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2352872265
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: exch.cx
class: IN
ttl: 300
type: MX
pri: 15
target: mailserver.exch.cx

Información TXT
host: exch.cx
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx -all
entries: Array