Registro IPv4
host: thpthuynhhuunghia.edu.vn
class: IN
ttl: 14400
type: A
ip: 27.118.16.242

Servidores DNS Principal (mname) y Secundario (rname)
host: thpthuynhhuunghia.edu.vn
class: IN
ttl: 21600
type: SOA
mname: ns1.vietiso.org
rname: ceo.vietiso.com
serial: 2021072101
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 86400

Servidor de Correo
host: thpthuynhhuunghia.edu.vn
class: IN
ttl: 14400
type: MX
pri: 10
target: mail.thpthuynhhuunghia.edu.vn