Registro IPv4
host: saerimtech.co.kr
class: IN
ttl: 7200
type: A
ip: 121.78.251.11

Servidores DNS Principal (mname) y Secundario (rname)
host: saerimtech.co.kr
class: IN
ttl: 7200
type: SOA
mname: ns3.dnszi.com
rname: root.dnszi.com
serial: 2024053001
refresh: 43200
retry: 3600
expire: 1209600
minimum-ttl: 7200