Registro IPv4
host: sourcetel.co.kr
class: IN
ttl: 300
type: A
ip: 112.217.203.245

Servidores DNS Principal (mname) y Secundario (rname)
host: sourcetel.co.kr
class: IN
ttl: 900
type: SOA
mname: ns-210.awsdns-26.com
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: sourcetel.co.kr
class: IN
ttl: 3600
type: MX
pri: 10
target: gw-spam.mailwood.com

Información TXT
host: sourcetel.co.kr
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.onnet21.com ~all
entries: Array