Registro DMARC
v=spf1 mx include:emailserver.vn -all

Registro IPv4
host: nhadat24h.net.vn
class: IN
ttl: 474
type: A
ip: 194.163.33.172

Servidores DNS Principal (mname) y Secundario (rname)
host: nhadat24h.net.vn
class: IN
ttl: 3600
type: SOA
mname: ns1.matbao.vn
rname: admin.matbao.com
serial: 2025080801
refresh: 18000
retry: 1800
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: nhadat24h.net.vn
class: IN
ttl: 3600
type: MX
pri: 10
target: host07.emailserver.vn

Información TXT
host: nhadat24h.net.vn
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx include:emailserver.vn -all
entries: Array