Registro DMARC
v=DMARC1; p=quarantine; adkim=s

Registro IPv4
host: beijingdatabank.com
class: IN
ttl: 300
type: A
ip: 5.188.6.199

Servidor de Correo
host: beijingdatabank.com
class: IN
ttl: 600
type: MX
pri: 10
target: mail.beijingdatabank.com