Servidores DNS Principal (mname) y Secundario (rname)
host: xiaowusoftware.com
class: IN
ttl: 600
type: SOA
mname: dns.4cun.com
rname: admin.xiaowusoftware.com
serial: 1731918358
refresh: 3600
retry: 180
expire: 1209600
minimum-ttl: 600

Servidor de Correo
host: xiaowusoftware.com
class: IN
ttl: 900
type: MX
pri: 10
target: mxbiz2.qq.com

Servidor de Correo
host: xiaowusoftware.com
class: IN
ttl: 900
type: MX
pri: 5
target: mxbiz1.qq.com