Servidores DNS Principal (mname) y Secundario (rname)
host: cdn2.iutpcdn.com
class: IN
ttl: 728
type: SOA
mname: ns1.cdn2.iutpcdn.com
rname: support.cdn2.iutpcdn.com
serial: 2015111922
refresh: 10800
retry: 3600
expire: 1209600
minimum-ttl: 60

Servidor de Correo
host: cdn2.iutpcdn.com
class: IN
ttl: 728
type: MX
pri: 20
target: mail2.velocix.com

Servidor de Correo
host: cdn2.iutpcdn.com
class: IN
ttl: 728
type: MX
pri: 10
target: mail1.velocix.com

Información TXT
host: cdn2.iutpcdn.com
class: IN
ttl: 728
type: TXT
txt: v=spf1 mail1 mail2 mail1.velocix.com. mail2.velocix.com. ~all
entries: Array