Servidores DNS Principal (mname) y Secundario (rname)
host: netcad.com
class: IN
ttl: 3600
type: SOA
mname: ns1.name.com
rname: hostmaster.nsone.net
serial: 1660545382
refresh: 7200
retry: 3600
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: netcad.com
class: IN
ttl: 300
type: MX
pri: 0
target: netcad-com.mail.protection.outlook.com

Información TXT
host: netcad.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array