Servidores DNS Principal (mname) y Secundario (rname)
host: footprint.net
class: IN
ttl: 21600
type: SOA
mname: internal.footprint.net
rname: dns.level3.com
serial: 12823
refresh: 1800
retry: 900
expire: 604800
minimum-ttl: 7200

Servidor de Correo
host: footprint.net
class: IN
ttl: 3600
type: MX
pri: 20
target: cluster5a.us.messagelabs.com

Servidor de Correo
host: footprint.net
class: IN
ttl: 3600
type: MX
pri: 10
target: cluster5.us.messagelabs.com

Información TXT
host: footprint.net
class: IN
ttl: 90
type: TXT
txt: 58rgxnw1wnn2d15jmc6lk9wlcjx4fr9s
entries: Array