Servidores DNS Principal (mname) y Secundario (rname)
host: ceconline.com
class: IN
ttl: 300
type: SOA
mname: mars.globalsources.com
rname: root.globalsources.com
serial: 2189350257
refresh: 600
retry: 300
expire: 604800
minimum-ttl: 600

Servidor de Correo
host: ceconline.com
class: IN
ttl: 300
type: MX
pri: 20
target: cluster6a.us.messagelabs.com

Servidor de Correo
host: ceconline.com
class: IN
ttl: 300
type: MX
pri: 10
target: cluster6.us.messagelabs.com