Servidores DNS Principal (mname) y Secundario (rname)
host: 3-ax.nl
class: IN
ttl: 3600
type: SOA
mname: auth01-peer.ib.routit.net
rname: noc.routit.nl
serial: 8
refresh: 1800
retry: 900
expire: 604800
minimum-ttl: 900

Servidor de Correo
host: 3-ax.nl
class: IN
ttl: 3600
type: MX
pri: 0
target: 3ax-nl0c.mail.protection.outlook.com

Información TXT
host: 3-ax.nl
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array