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How to Configure Microsoft 365 MX Records for a Bluehost Domain

Huda QurayshiHuda Qurayshi Sep 28, 2026 869 views

Question details

The user needs to properly configure MX records for a domain purchased through Bluehost to enable Microsoft 365 email functionality.

How to Configure Microsoft 365 MX Records for a Bluehost Domain
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.
Before you start

Ensure you have administrative access to both your Microsoft 365 Admin Center and your Bluehost DNS management dashboard.

Solution 1Recommended

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.

1
Find your MX record in Microsoft 365

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).

2
Access Bluehost DNS settings

Log in to your Bluehost account portal. Go to 'Domains' > 'My Domains' and click 'Manage' next to the custom domain you are configuring.

3
Add the new MX record

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.

4
Remove conflicting records

Delete any existing, non-Microsoft MX records to prevent email routing conflicts, then save your changes.

Obtain and Configure the Tenant-Specific MX Record
DNS Propagation Time: It can take anywhere from a few minutes to 48 hours for DNS changes to propagate globally and for Microsoft 365 to verify the connection.
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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.