Registro IPv4
host: imt-solution.com
class: IN
ttl: 90
type: A
ip: 210.127.253.204

Servidores DNS Principal (mname) y Secundario (rname)
host: imt-solution.com
class: IN
ttl: 90
type: SOA
mname: ns1.smtp.co.kr
rname: ns.baitop.net
serial: 1997022707
refresh: 28800
retry: 14400
expire: 61000
minimum-ttl: 1

Servidor de Correo
host: imt-solution.com
class: IN
ttl: 90
type: MX
pri: 10
target: mail.imt-solution.com