Registro IPv4
host: presco.co.kr
class: IN
ttl: 3547
type: A
ip: 211.110.139.173

Servidores DNS Principal (mname) y Secundario (rname)
host: presco.co.kr
class: IN
ttl: 3546
type: SOA
mname: ns1.ibrain.kr
rname: root.Presco.Co.kr
serial: 2021111115
refresh: 21600
retry: 3600
expire: 604800
minimum-ttl: 3600