Registro IPv4
host: escm.kr
class: IN
ttl: 21600
type: A
ip: 115.68.168.189

Servidores DNS Principal (mname) y Secundario (rname)
host: escm.kr
class: IN
ttl: 21600
type: SOA
mname: ns1.iwinv.kr
rname: root.iwinv.kr
serial: 2024011201
refresh: 3600
retry: 900
expire: 604800
minimum-ttl: 86400