Registro IPv4
host: smy.kr
class: IN
ttl: 12847
type: A
ip: 115.68.168.145

Servidores DNS Principal (mname) y Secundario (rname)
host: smy.kr
class: IN
ttl: 21600
type: SOA
mname: ns1.iwinv.kr
rname: root.iwinv.kr
serial: 2024011102
refresh: 3600
retry: 900
expire: 604800
minimum-ttl: 86400