Registro IPv4
host: thcssonthuy.edu.vn
class: IN
ttl: 360
type: A
ip: 103.77.162.45

Servidores DNS Principal (mname) y Secundario (rname)
host: thcssonthuy.edu.vn
class: IN
ttl: 3600
type: SOA
mname: nsbak.pavietnam.net
rname: hostmaster.thcssonthuy.edu.vn
serial: 2025072016
refresh: 14400
retry: 3600
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: thcssonthuy.edu.vn
class: IN
ttl: 360
type: MX
pri: 10
target: mail.thcssonthuy.edu.vn

Información TXT
host: thcssonthuy.edu.vn
class: IN
ttl: 360
type: TXT
txt: v=spf1 a mx ~all
entries: Array