Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: system-success.com
class: IN
ttl: 14400
type: A
ip: 137.74.56.221

Servidores DNS Principal (mname) y Secundario (rname)
host: system-success.com
class: IN
ttl: 21600
type: SOA
mname: ns1.unlim.com
rname: noreply.unlim.com
serial: 2019082913
refresh: 43200
retry: 7200
expire: 2419200
minimum-ttl: 86400

Servidor de Correo
host: system-success.com
class: IN
ttl: 14400
type: MX
pri: 0
target: mail.system-success.com

Información TXT
host: system-success.com
class: IN
ttl: 14400
type: TXT
txt: v=spf1 +a +mx +ip4:137.74.56.221 +ip4:5.39.116.72 ~all
entries: Array