Servidores DNS Principal (mname) y Secundario (rname)
host: caperf.com
class: IN
ttl: 21600
type: SOA
mname: ds.powersrvcs.com
rname: philm.powersrvcs.com
serial: 2009082709
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: caperf.com
class: IN
ttl: 21600
type: MX
pri: 0
target: mailhost.powersrvcs.com

Servidor de Correo
host: caperf.com
class: IN
ttl: 21600
type: MX
pri: 10
target: powersrvcs.com