Registro IPv4
host: vnn.vn
class: IN
ttl: 300
type: A
ip: 123.30.191.33

Servidores DNS Principal (mname) y Secundario (rname)
host: vnn.vn
class: IN
ttl: 300
type: SOA
mname: vdc-hn01.vnn.vn
rname: postmaster.vnn.vn
serial: 2025123002
refresh: 150
retry: 300
expire: 1209600
minimum-ttl: 300

Servidor de Correo
host: vnn.vn
class: IN
ttl: 300
type: MX
pri: 10
target: mx.vnptemail.vn

Información TXT
host: vnn.vn
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx include:spf.vnptemail.vn ~all
entries: Array