On the Atomic portal:

Once your Microsoft Teams Account has been setup, click on the Connections icon. You will see Teams domain name in there. The domain name will need to be registered in the users Microsoft Office 365 tenant account. You can do this over at https://admin.microsoft.com. For more information on adding a domain in your Microsoft Tennant, please refer to this Microsoft document - https://docs.microsoft.com/en-us/microsoft-365/admin/setup/add-domain?view=o365-worldwide

On the Microsoft Admin Panel:

Once in Microsoft Admin center, go to Settings > Domain page and select Add domain.

From the diagram above, in 1, paste the domain name you received on the Atomic portal and click on Use this domain (marked 2).

You will the come to a How do you want to verify your domain? page. Select Add a TXT record to the domains DNS records  and click Continue.

You will need to copy the TXT value (as shown in the below diagram marked as 1), paste it somewhere safe, as you will need that a little later. Click on 'Close' (as shown in the below diagram marked 2). Don't worry about not completing the process. You can only do that a little later.

<aside> 🧭 Make sure you copy the entire value. From the diagram above, the value you should copy is MS=ms30071687

</aside>

From the main domain screen, you will see that the process is not completed. Don't worry, we will come back to that in a bit.

On the Atomic portal: