Servidores DNS Principal (mname) y Secundario (rname)
host: Cdn-apple.com
class: IN
ttl: 3600
type: SOA
mname: ns-ext-prod.jackfruit.apple.com
rname: dnscontact.apple.com
serial: 520
refresh: 7200
retry: 5400
expire: 3628800
minimum-ttl: 300

Servidor de Correo
host: Cdn-apple.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.Cdn-apple.com

Información TXT
host: Cdn-apple.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 -all
entries: Array