Registro IPv4
host: bufs.ac.kr
class: IN
ttl: 300
type: A
ip: 223.195.222.243

Servidores DNS Principal (mname) y Secundario (rname)
host: bufs.ac.kr
class: IN
ttl: 300
type: SOA
mname: ns2
rname: hostmaster
serial: 2010051364
refresh: 300
retry: 600
expire: 900
minimum-ttl: 300

Servidor de Correo
host: bufs.ac.kr
class: IN
ttl: 300
type: MX
pri: 10
target: mail.bufs.ac.kr

Servidor de Correo
host: bufs.ac.kr
class: IN
ttl: 300
type: MX
pri: 1
target: nospam.bufs.ac.kr

Información TXT
host: bufs.ac.kr
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:223.195.222.0/24 ~all
entries: Array