Registro IPv4
host: thcstranphuductrong.edu.vn
class: IN
ttl: 360
type: A
ip: 112.213.89.123

Servidores DNS Principal (mname) y Secundario (rname)
host: thcstranphuductrong.edu.vn
class: IN
ttl: 67
type: SOA
mname: ns1.dotvndns.vn
rname: hostmaster.thcstranphuductrong.edu.vn
serial: 2025111317
refresh: 14400
retry: 3600
expire: 1209600
minimum-ttl: 86400