Registro IPv4
host: ocichemicals.co.kr
class: IN
ttl: 600
type: A
ip: 115.68.17.176

Servidores DNS Principal (mname) y Secundario (rname)
host: ocichemicals.co.kr
class: IN
ttl: 120
type: SOA
mname: ns1.webmaker21.kr
rname: webmaster.webmaker21.kr
serial: 2020041400
refresh: 28800
retry: 14400
expire: 360000
minimum-ttl: 120