Registro IPv4
host: oog.kr
class: IN
ttl: 300
type: A
ip: 14.42.50.38

Servidores DNS Principal (mname) y Secundario (rname)
host: oog.kr
class: IN
ttl: 1800
type: SOA
mname: harlan.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2376531153
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800