Registro IPv4
host: Dowtech.Co.kr
class: IN
ttl: 1800
type: A
ip: 203.245.24.31

Servidores DNS Principal (mname) y Secundario (rname)
host: Dowtech.Co.kr
class: IN
ttl: 1800
type: SOA
mname: Dowtech.Co.kr
rname: postmaster.Dowtech.Co.kr
serial: 20210427
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

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