Registro IPv4
host: isft.kr
class: IN
ttl: 600
type: A
ip: 123.41.16.131

Servidores DNS Principal (mname) y Secundario (rname)
host: isft.kr
class: IN
ttl: 600
type: SOA
mname: ns3.dnszi.com
rname: root.dnszi.com
serial: 2023051809
refresh: 43200
retry: 3600
expire: 1209600
minimum-ttl: 600