Registro IPv4
host: ifi.edu.vn
class: IN
ttl: 72
type: A
ip: 112.137.140.40

Servidores DNS Principal (mname) y Secundario (rname)
host: ifi.edu.vn
class: IN
ttl: 2273
type: SOA
mname: ns.viettelidc.com.vn
rname: hostmaster.ifi.edu.vn
serial: 1763876107
refresh: 16384
retry: 2048
expire: 1048576
minimum-ttl: 2560

Servidor de Correo
host: ifi.edu.vn
class: IN
ttl: 74
type: MX
pri: 10
target: mail.ifi.edu.vn

Información TXT
host: ifi.edu.vn
class: IN
ttl: 75
type: TXT
txt: google-site-verification=6AykqCybOdDFWYAMOk5v6b8tPA6VyKe7BRgYBIaHQ-w
entries: Array

Información TXT
host: ifi.edu.vn
class: IN
ttl: 75
type: TXT
txt: v=spf1 a mx a:smtp.ifi.edu.vn ip4:112.137.140.41 ~all
entries: Array