Registro IPv4
host: isctrl.co.kr
class: IN
ttl: 300
type: A
ip: 121.183.119.54

Servidores DNS Principal (mname) y Secundario (rname)
host: isctrl.co.kr
class: IN
ttl: 300
type: SOA
mname: ns11.dnszi.com
rname: root.dnszi.com
serial: 2026080405
refresh: 43200
retry: 3600
expire: 1209600
minimum-ttl: 300

Servidor de Correo
host: isctrl.co.kr
class: IN
ttl: 300
type: MX
pri: 10
target: isctrl.co.kr

Servidor de Correo
host: isctrl.co.kr
class: IN
ttl: 300
type: MX
pri: 20
target: mail.isctrl.co.kr

Información TXT
host: isctrl.co.kr
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:121.183.119.54 ~all
entries: Array