Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: adpost4u.com
class: IN
ttl: 3600
type: A
ip: 103.148.157.153

Servidores DNS Principal (mname) y Secundario (rname)
host: adpost4u.com
class: IN
ttl: 10800
type: SOA
mname: ns1.adpost4u.com
rname: postmaster.adpost4u.com
serial: 2023042700
refresh: 21600
retry: 3600
expire: 86400
minimum-ttl: 86400

Servidor de Correo
host: adpost4u.com
class: IN
ttl: 21600
type: MX
pri: 10
target: mail.adpost4u.com

Información TXT
host: adpost4u.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx mx:adpost4u.com ip4:103.148.157.153 ~all
entries: Array