Servidores DNS Principal (mname) y Secundario (rname)
host: a-mb.com
class: IN
ttl: 3600
type: SOA
mname: ns1.bdm.microsoftonline.com
rname: azuredns-hostmaster.microsoft.com
serial: 1
refresh: 3600
retry: 300
expire: 2419200
minimum-ttl: 300

Servidor de Correo
host: a-mb.com
class: IN
ttl: 3600
type: MX
pri: 0
target: amb-com0c.mail.protection.outlook.com

Información TXT
host: a-mb.com
class: IN
ttl: 3600
type: TXT
txt: mscid=t6Zn5RAyTHc4jO5qsxWTTKWP+h4vJWrQ8ACIm+FzGUukJriVqnOLMlZN4m7OnkyPd4RNgNLAtuJVJWmXOQptLA==
entries: Array

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