How to Configure Microsoft 365 MX Records for a Bluehost Domain
Question details
The user needs to properly configure MX records for a domain purchased through Bluehost to enable Microsoft 365 email functionality.

- Product
- Microsoft 365, Bluehost
- Device & OS
- not provided
- Scenario
- Setting up Microsoft 365 email services on a custom domain managed by Bluehost DNS.
- Observed behavior
- Microsoft 365 emails will not route correctly until the tenant-specific MX record is added to the domain and conflicting records are removed.
Ensure you have administrative access to both your Microsoft 365 Admin Center and your Bluehost DNS management dashboard.
Obtain and Configure the Tenant-Specific MX Record
Find your unique Microsoft 365 MX record in the admin center and update your Bluehost DNS settings to route emails correctly.
Microsoft 365 assigns a unique MX record value to every tenant. You must copy this exact value from Microsoft and paste it into your Bluehost domain configuration.
Log in to the Microsoft 365 Admin Center. Navigate to 'Settings', then 'Domains'. Select your Bluehost domain and click on 'DNS records' to view your unique MX record details (usually formatted as domain-com.mail.protection.outlook.com).
Log in to your Bluehost account portal. Go to 'Domains' > 'My Domains' and click 'Manage' next to the custom domain you are configuring.
Navigate to the 'DNS' tab and locate the MX (Mail Exchanger) section. Add a new record using the value copied from Microsoft 365, setting the priority to 0.
Delete any existing, non-Microsoft MX records to prevent email routing conflicts, then save your changes.

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Frequently Asked Questions
Why am I not receiving Microsoft 365 emails after changing Bluehost DNS?
DNS changes can take up to 48 hours to fully propagate across the internet. Additionally, ensure you have removed any old MX records that might be intercepting the emails and that your new record priority is set to 0.
How do I check if my Microsoft 365 MX record is configured correctly?
You can go back to the Microsoft 365 Admin Center, select your domain under 'Settings', and click 'Check health'. The system will scan your domain and notify you if the correct MX records are detected.
Does the Microsoft 365 business license type affect my DNS setup?
While the exact DNS values (like the MX record host) are unique to your specific Microsoft 365 tenant, the general process of adding them to your Bluehost DNS manager remains identical regardless of your specific business plan.




