Registro IPv4
host: phutam.edu.vn
class: IN
ttl: 14400
type: A
ip: 103.254.12.51

Servidores DNS Principal (mname) y Secundario (rname)
host: phutam.edu.vn
class: IN
ttl: 21600
type: SOA
mname: ns1.bizmac.net
rname: dns.bizmac.com
serial: 2022031502
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: phutam.edu.vn
class: IN
ttl: 14400
type: MX
pri: 0
target: phutam.edu.vn