Registro DMARC
v=DMARC1; p=reject; adkim=r; aspf=s; sp=none

Servidores DNS Principal (mname) y Secundario (rname)
host: toanhung.vn
class: IN
ttl: 3600
type: SOA
mname: ns1.pavietnam.vn
rname: hostmaster.toanhung.vn
serial: 2023121913
refresh: 14400
retry: 3600
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: toanhung.vn
class: IN
ttl: 3600
type: MX
pri: 10
target: mx90104.maychuemail.net

Servidor de Correo
host: toanhung.vn
class: IN
ttl: 3600
type: MX
pri: 5
target: mail90104.maychuemail.com

Información TXT
host: toanhung.vn
class: IN
ttl: 3600
type: TXT
txt: v=spf1 +a +mx +ip4:112.213.90.20 +ip4:112.213.90.104 ~all
entries: Array