Registro IPv4
host: Convertech21.co.kr
class: IN
ttl: 1800
type: A
ip: 203.245.24.30

Servidores DNS Principal (mname) y Secundario (rname)
host: Convertech21.co.kr
class: IN
ttl: 1800
type: SOA
mname: Convertech21.co.kr
rname: postmaster.Convertech21.co.kr
serial: 20210426
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: Convertech21.co.kr
class: IN
ttl: 1800
type: MX
pri: 10
target: rmw-002.fmcity.com