The M365 Domains module provides visibility into the domains registered and verified across your Microsoft 365 tenants. Track domain verification status, authentication types, and associated services for each domain.Documentation Index
Fetch the complete documentation index at: https://docs.msportal.ai/llms.txt
Use this file to discover all available pages before exploring further.
Accessing M365 Domains
- Click Microsoft 365 in the sidebar
- Select the Domains tab from the navigation tabs
Summary Dashboard
The summary section displays four key metrics about your domains:| Metric | Description |
|---|---|
| Total Domains | Number of registered domains across all companies |
| Verified | Number of verified domains with percentage |
| Default Domain | The primary domain for your organization |
| Companies | Number of companies with M365 domains configured |
Domains Table
Table Columns
The domains table displays all registered domains with the following information:| Column | Description |
|---|---|
| Domain | Domain name with indicators for default and initial domains |
| Company | Associated company (visible in global view) |
| Default | Whether this is the default domain for the tenant |
| Verified | Domain verification status |
| Services | Microsoft 365 services enabled for the domain |
| Auth Type | Authentication type (Managed or Federated) |
Domain Indicators
Domains may display special indicators:| Indicator | Meaning |
|---|---|
| Star icon | This is the default domain for the tenant |
| Initial badge | This is the initial .onmicrosoft.com domain |
Verification Status
| Status | Description |
|---|---|
| Verified | Domain ownership has been confirmed via DNS records |
| Unverified | Domain is registered but not yet verified |
Unverified domains cannot be used for email or other Microsoft 365 services until verification is complete.
Authentication Types
| Type | Description |
|---|---|
| Managed | Authentication handled directly by Microsoft 365 |
| Federated | Authentication handled by an external identity provider (e.g., ADFS) |
Services
The Services column shows which Microsoft 365 services are enabled for each domain:- Email - Exchange Online email routing
- OfficeCommunicationsOnline - Microsoft Teams and Skype
- Intune - Device management
- SharePoint - SharePoint Online sites
Sorting and Filtering
- Sort - Click any column header to sort the table
- Search - Use the search box to find specific domains
- Company Filter - Multi-select dropdown to filter by one or more companies
- Default Filter - Filter to show only default or non-default domains
- Verified Filter - Filter by verification status
- Auth Type Filter - Filter by authentication type
Exporting Data
Users with the manage_m365 permission can export domain data:- Click the Export button in the table toolbar
- Choose your export format
- The export includes domain name, company, verification status, authentication type, and services
Company Context
The domains view adapts based on your current context:| View | Behavior |
|---|---|
| Global View | Shows domains from all companies, Company column visible |
| Company View | Shows domains for the selected company only |
Prerequisites
Before using M365 Domains:- Microsoft 365 Integration - Enable in Settings > Integrations for each company
- Azure AD Permissions - The integration requires appropriate Graph API permissions
- User Permissions - Requires access to the M365 module
Troubleshooting
Domains Not Showing
No domains appear in the table
No domains appear in the table
Possible causes:
- M365 integration not configured for any companies
- Integration credentials expired or invalid
- Initial sync has not completed
- Verify M365 integration is active in Settings > Integrations
- Wait for the automatic sync to complete
- Check integration permissions in Azure AD
Domain shows as unverified
Domain shows as unverified
Possible causes:
- DNS verification records not configured
- DNS propagation not complete
- Verification record removed
- Check DNS records in your domain registrar
- Verify TXT or MX records match Microsoft requirements
- Allow up to 72 hours for DNS propagation
Services column shows unexpected values
Services column shows unexpected values
Possible causes:
- Domain not configured for all services
- Service configuration changed in Microsoft 365
- Review domain configuration in Microsoft 365 admin center
- Wait for automatic sync to update the data
Best Practices
Domain Management
- Verify Custom Domains - Ensure all custom domains are verified to enable full functionality
- Review Default Domain - Confirm the correct domain is set as default for each tenant
- Monitor Authentication - Track federated vs. managed authentication for security auditing
Regular Monitoring
- Monthly - Review domain verification status across all companies
- Quarterly - Audit domain authentication types and service configurations
- As Needed - Check domains when adding new companies or tenants
Related Resources
- M365 Secure Score - Security posture monitoring
- M365 Licenses - License usage monitoring
- Settings - Integrations - Configure M365 integration