Servidores DNS Principal (mname) y Secundario (rname)
host: ibecorp.co.kr
class: IN
ttl: 3600
type: SOA
mname: ns1.dothome.co.kr
rname: abuse.anysecure.com
serial: 1658548933
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: ibecorp.co.kr
class: IN
ttl: 3600
type: MX
pri: 10
target: kr1-aspmx1.worksmobile.com

Servidor de Correo
host: ibecorp.co.kr
class: IN
ttl: 3600
type: MX
pri: 20
target: kr1-aspmx2.worksmobile.com