Servidores DNS Principal (mname) y Secundario (rname)
host: racetek.com
class: IN
ttl: 900
type: SOA
mname: ns-1394.awsdns-46.org
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: racetek.com
class: IN
ttl: 300
type: MX
pri: 10
target: eu-smtp-inbound-2.mimecast.com

Servidor de Correo
host: racetek.com
class: IN
ttl: 300
type: MX
pri: 10
target: eu-smtp-inbound-1.mimecast.com

Información TXT
host: racetek.com
class: IN
ttl: 300
type: TXT
txt: MS=ms58617918
entries: Array

Información TXT
host: racetek.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx include:_netblocks.mimecast.com ~all
entries: Array