Registro IPv4
host: oscom.co.kr
class: IN
ttl: 300
type: A
ip: 211.251.239.178

Servidores DNS Principal (mname) y Secundario (rname)
host: oscom.co.kr
class: IN
ttl: 21600
type: SOA
mname: ns1.maruidc.com
rname: root.oscom.co.kr
serial: 2022040604
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600