Registro IPv4
host: design21.net
class: IN
ttl: 1826
type: A
ip: 110.93.29.19

Servidores DNS Principal (mname) y Secundario (rname)
host: design21.net
class: IN
ttl: 21600
type: SOA
mname: ns4.webschool.or.kr
rname: gwool.localhost
serial: 2026033122
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: design21.net
class: IN
ttl: 21600
type: MX
pri: 10
target: mail.design21.net

Información TXT
host: design21.net
class: IN
ttl: 21600
type: TXT
txt: v=spf1 ip4:110.93.29.19 ~all
entries: Array