Registro IPv4
host: tbc789.kr
class: IN
ttl: 300
type: A
ip: 121.78.246.155

Servidores DNS Principal (mname) y Secundario (rname)
host: tbc789.kr
class: IN
ttl: 300
type: SOA
mname: ns1.netproserver.com
rname: netproserver.com
serial: 2010102800
refresh: 28800
retry: 14400
expire: 3600000
minimum-ttl: 86400