Registro IPv4
host: ism.or.kr
class: IN
ttl: 600
type: A
ip: 54.116.165.167

Servidores DNS Principal (mname) y Secundario (rname)
host: ism.or.kr
class: IN
ttl: 15403
type: SOA
mname: ns.gabia.co.kr
rname: hosting.gabia.com
serial: 2021042716
refresh: 1800
retry: 600
expire: 1209600
minimum-ttl: 86400