As I stated above, the problem must be due to the DNS configuration. I need advice on where to adjust the configuration, or a place to read the specification of how this relationship is defined..
My DOMAIN provider is MelbourneIT, and my custom domain has been working fine before the installation fo the service upgrade.
Office365 considers my domain to be "partially redelegated"
MelbourneIT shows my name servers as: ns1.bdm.microsoftonline.com and ns1.bdm.microsoftonline.com , and the DNS STATUS is "not activated".
Shall I activate DNS at MelbourneIT ?
Do I need to change my CNAME records?
I really need to talk with somebody who understands DNS.
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