Registro IPv4
host: i4test.com
class: IN
ttl: 600
type: A
ip: 216.83.138.247

Servidores DNS Principal (mname) y Secundario (rname)
host: i4test.com
class: IN
ttl: 7200
type: SOA
mname: ns1.i4.net
rname: support.i4.net
serial: 2021091704
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 172800

Servidor de Correo
host: i4test.com
class: IN
ttl: 600
type: MX
pri: 0
target: email.i4.net