Servidores DNS Principal (mname) y Secundario (rname)
host: dazhu.net
class: IN
ttl: 3600
type: SOA
mname: ns2.cnkuai.com
rname: admin.cnkuai.com
serial: 7
refresh: 900
retry: 600
expire: 86400
minimum-ttl: 3600

Servidor de Correo
host: dazhu.net
class: IN
ttl: 3600
type: MX
pri: 10
target: mxdomain.qq.com