Servidores DNS Principal (mname) y Secundario (rname)
host: bebeyond.com
class: IN
ttl: 5551
type: SOA
mname: NS57.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 122102800
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: bebeyond.com
class: IN
ttl: 5552
type: MX
pri: 10
target: mxbiz2.qq.com

Servidor de Correo
host: bebeyond.com
class: IN
ttl: 5552
type: MX
pri: 5
target: mxbiz1.qq.com