Servidores DNS Principal (mname) y Secundario (rname)
host: progpack.com
class: IN
ttl: 300
type: SOA
mname: ns1.dyna-ns.net
rname: hostmaster.progpack.com
serial: 1712187523
refresh: 16384
retry: 2048
expire: 1048576
minimum-ttl: 2560

Servidor de Correo
host: progpack.com
class: IN
ttl: 300
type: MX
pri: 10
target: usw4.bumpemail.com

Servidor de Correo
host: progpack.com
class: IN
ttl: 300
type: MX
pri: 0
target: use4.bumpemail.com

Información TXT
host: progpack.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 +a +mx -all
entries: Array