Registro IPv4
host: i-learn.vn
class: IN
ttl: 120
type: A
ip: 171.244.207.56

Servidores DNS Principal (mname) y Secundario (rname)
host: i-learn.vn
class: IN
ttl: 3600
type: SOA
mname: ns1.matbao.vn
rname: admin.matbao.com
serial: 2025121701
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: i-learn.vn
class: IN
ttl: 3600
type: MX
pri: 10
target: ssl.emailserver.vn