Servidores DNS Principal (mname) y Secundario (rname)
host: dongsancapital.com
class: IN
ttl: 1800
type: SOA
mname: dongsancapital.com
rname: postmaster.dongsancapital.com
serial: 20121227
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: dongsancapital.com
class: IN
ttl: 1800
type: MX
pri: 10
target: dongsancapital.com