Registro IPv4
host: 30office.co.kr
class: IN
ttl: 600
type: A
ip: 211.57.200.244

Servidores DNS Principal (mname) y Secundario (rname)
host: 30office.co.kr
class: IN
ttl: 600
type: SOA
mname: ns.30office.co.kr
rname: root.30office.co.kr
serial: 2012021300
refresh: 10800
retry: 900
expire: 604800
minimum-ttl: 43200

Servidor de Correo
host: 30office.co.kr
class: IN
ttl: 600
type: MX
pri: 20
target: dmx-2.naver.com

Servidor de Correo
host: 30office.co.kr
class: IN
ttl: 600
type: MX
pri: 10
target: dmx-1.naver.com

Servidor de Correo
host: 30office.co.kr
class: IN
ttl: 600
type: MX
pri: 30
target: mail.30office.co.kr

Información TXT
host: 30office.co.kr
class: IN
ttl: 600
type: TXT
txt: v=spf1 ip4:211.57.200.244 -all
entries: Array