Registro DMARC
v=DMARC1;p=reject;sp=reject;pct=100;aspf=s

Registro IPv4
host: expreso.com
class: IN
ttl: 600
type: A
ip: 50.16.218.27

Servidores DNS Principal (mname) y Secundario (rname)
host: expreso.com
class: IN
ttl: 600
type: SOA
mname: ns1.digimedia.com
rname: dns.digimedia.com
serial: 2024091602
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: expreso.com
class: IN
ttl: 600
type: MX
pri: 1000
target: 0.0.0.0

Información TXT
host: expreso.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 -all
entries: Array