Registro IPv4
host: dura.kr
class: IN
ttl: 21600
type: A
ip: 121.254.178.233

Servidores DNS Principal (mname) y Secundario (rname)
host: dura.kr
class: IN
ttl: 3600
type: SOA
mname: ns.gabia.co.kr
rname: hosting.gabia.com
serial: 2020122914
refresh: 1800
retry: 600
expire: 1209600
minimum-ttl: 86400