Registro IPv4
host: ittower.kr
class: IN
ttl: 1800
type: A
ip: 117.52.155.71

Servidores DNS Principal (mname) y Secundario (rname)
host: ittower.kr
class: IN
ttl: 1800
type: SOA
mname: ns1.realsoft.co.kr
rname: root.realsoft.co.kr
serial: 2019020100
refresh: 3600
retry: 15
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: ittower.kr
class: IN
ttl: 1800
type: MX
pri: 10
target: mail.ittower.kr

Información TXT
host: ittower.kr
class: IN
ttl: 1800
type: TXT
txt: v=spf1 ip4:117.52.155.71 ~all
entries: Array