Registro IPv4
host: certus.com.hk
class: IN
ttl: 3600
type: A
ip: 107.180.2.4

Servidores DNS Principal (mname) y Secundario (rname)
host: certus.com.hk
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: certus.com.hk
class: IN
ttl: 3600
type: MX
pri: 0
target: certus-com-hk.mail.protection.outlook.com

Información TXT
host: certus.com.hk
class: IN
ttl: 3600
type: TXT
txt: mscid=W+q6drgRzRQHo+kdcBbFCYCBY2furHNlLKa7ypi/VQkxNh+NmaLc9cc8jSp+2yG1JWh9J2DjzON6Sy8/NQj1qw==
entries: Array

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