Registro IPv4
host: linuxrackers.com
class: IN
ttl: 300
type: A
ip: 166.78.1.72

Servidores DNS Principal (mname) y Secundario (rname)
host: linuxrackers.com
class: IN
ttl: 300
type: SOA
mname: ns.rackspace.com
rname: shannon.mitchell.rackspace.com
serial: 1732457388
refresh: 21600
retry: 3600
expire: 1814400
minimum-ttl: 500

Servidor de Correo
host: linuxrackers.com
class: IN
ttl: 300
type: MX
pri: 10
target: mxb.mailgun.org

Servidor de Correo
host: linuxrackers.com
class: IN
ttl: 300
type: MX
pri: 10
target: mxa.mailgun.org

Información TXT
host: linuxrackers.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:mailgun.org ~all
entries: Array