Servidores DNS Principal (mname) y Secundario (rname)
host: sebug.net
class: IN
ttl: 90
type: SOA
mname: 
rname: mail.jiasule.net
serial: 1
refresh: 600
retry: 180
expire: 1209600
minimum-ttl: 180

Servidor de Correo
host: sebug.net
class: IN
ttl: 600
type: MX
pri: 10
target: mxbiz2.qq.com

Servidor de Correo
host: sebug.net
class: IN
ttl: 600
type: MX
pri: 5
target: mxbiz1.qq.com