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How to Use Domain Connect for Microsoft 365 Domain Verification

Maira MehtabMaira Mehtab Sep 28, 2026 869 views

Question details

Users need to know how to utilize the Domain Connect protocol to automate custom domain verification and DNS configuration in Microsoft 365.

How to Use Domain Connect for Microsoft 365 Domain Verification
Product
Microsoft 365
Device & OS
not provided
Scenario
Setting up and verifying a custom domain in the Microsoft 365 Admin Center using a domain registrar.
Observed behavior
Users and resellers want to streamline domain setups by automatically configuring DNS records instead of performing manual entries.
Before you start

Verify that your domain registrar or hosting provider actively supports the Domain Connect protocol before starting the automated setup process in Microsoft 365.

Solution 1Recommended

Configuring Domain Verification using Domain Connect

Leverage the Domain Connect protocol to automatically authenticate and apply the necessary Microsoft 365 DNS records directly through your domain registrar.

Domain Connect is designed to simplify custom-domain setups by allowing Microsoft 365 to communicate directly with participating domain providers to automate DNS configuration.

1
Check Registrar Compatibility

Consult the official Microsoft 365 documentation or contact your domain provider to confirm that they support Domain Connect.

2
Add Your Domain in Microsoft 365

Log into the Microsoft 365 Admin Center. Navigate to Settings > Domains and click on 'Add domain'.

3
Follow the Automated Wizard

Enter your custom domain. If your registrar supports Domain Connect, Microsoft 365 will prompt you to sign in to your registrar's portal directly from the wizard.

4
Authorize DNS Changes

Log in to your domain provider's account when prompted and authorize Microsoft 365 to automatically add the required TXT, MX, and CNAME records.

5
Confirm Partnership (For Providers)

If you are a domain reseller integrating this protocol, contact domainconnect@microsoft.com to determine if a formal Microsoft partnership is required for your setup.

Configuring Domain Verification using Domain Connect
Automated Configuration Complete: Once authorized, DNS propagation begins immediately, though it can occasionally take up to 24 hours for global systems to recognize the new records.
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Frequently Asked Questions

What exactly does the Domain Connect protocol do in Microsoft 365?

Domain Connect automates the process of adding DNS records (like TXT for verification and MX for email) by allowing Microsoft 365 to communicate directly with your domain registrar, eliminating the need to manually copy and paste DNS values.

Do all domain registrars support Domain Connect?

No. While many major domain hosts and registrars support it, you must check with your specific provider or consult the Microsoft 365 setup documentation to verify compatibility.

What if my domain registrar does not support Domain Connect?

If Domain Connect is not supported, the Microsoft 365 setup wizard will provide you with manual DNS records (TXT, MX, CNAME) that you must log in and paste into your registrar's DNS management zone.

Do I need a Microsoft partnership to use Domain Connect?

End users do not need a partnership. However, domain registrars or resellers looking to build an integration should contact domainconnect@microsoft.com to confirm if a Microsoft partnership is required for their specific implementation.