Registro DMARC
v=spf1 mx ptr ~all.

Registro IPv4
host: vanphongphamt2.com
class: IN
ttl: 3600
type: A
ip: 103.138.88.102

Servidores DNS Principal (mname) y Secundario (rname)
host: vanphongphamt2.com
class: IN
ttl: 3600
type: SOA
mname: ns1.ngoinhamang.com
rname: admin.matbao.com
serial: 2022083101
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: vanphongphamt2.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.vanphongphamt2.com

Información TXT
host: vanphongphamt2.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx ptr ~all.
entries: Array