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How to link your domain name to Microsoft 365 (Office 365)?

When you order your Microsoft 365 (Office 365) package from Combell, and your domain name is also managed by Combell (Combell is your ‘registrar’), we ensure that your domain name is linked to your subscription. Nice and easy!

If your domain is managed by another provider, you will have to follow these 5 steps yourself. Your Microsoft 365 admin center features a wizard that will help you with this.

IN THIS ARTICLE:

Tip: Would you rather link your domain name later? You can temporarily work with yourdomainbe.onmicrososft.com to log in, and link your domain later on.

Step 1: Adding your domain

  1. Log in to https://portal.microsoft.com as an administrator
  2. Go to the Admin Center
  3. Open the drop-down menu on the left
  4. Open the “Settings” drop-down menu
  5. Select” Domains” > “Add Domain”
  6. Enter your domain name, e.g. mydomain.be
  7. Click “Use this domain”
  8. Click “Close” or go directly to point 4 of step 2.

Step 2: Retrieving the authentication information from your Microsoft 365 admin panel

To prove that you are the actual owner of the domain name you want to link, you need to enter a text from the Microsoft 365 admin center in the TXT or MX records of your domain name. First, you have to retrieve this text.

  1. In your Microsoft 365 admin center, go to “Settings” > “Domains”
  2. Select the added domain, which is marked with an “incomplete installation” message.
  3. Select “Continue installation”
  4. In the “Check domain” panel, you will find the necessary authentication information:
    • Click on the “TXT record” tab and copy the data
    • Click on the “MX records” tab and copy the data

Step 3: entering the verification details in your domain provider’s control panel

The found TXT or MX record must be entered in the DNS settings of your domain name.

  1. Go to your domain provider’s control panel
  2. Search for the setting that allows you to manage your DNS records
  3. In the TXT records field, enter the following values:
    • “Hostname”: @ or leave it blank
    • “TXT value and TTL”: enter the data you copied from the Microsoft 365 admin center
    • Go back to your Microsoft admin panel
    • Click “Verify”
  4. Do you get an error message? Follow this procedure for the MX record. Enter:
    • Priority: 32767 or any other value you have not used yet
    • Hostname: @ or skip this step if your provider does not support it
    • Target: Enter the value from your Microsoft 365 admin center
    • TTL: 3600
  5. Now it should work – your domain name is linked.
  6. Now, would you like to link your DNS settings to your Microsoft 365 package as well? Click “Continue”
  7. Do you want to link your DNS settings to your Microsoft 365 package later on? Click “Save and close”. You can resume the procedure at any time.

Step 4: Linking your DNS settings to the Microsoft 365 services

In this step, you will link your domain to the various Microsoft 365 services, such as Microsoft 365 mail (Exchange), Skype for Business and Mobile Device Management. To do this, you must retrieve the DNS settings from your domain provider, and then enter them in Microsoft 365.

  1. In your Microsoft 365 admin center, go to “Settings > “Domains”
  2. Select the added domain, which is marked with an “incomplete installation” message.
  3. Select “Continue installation”
  4. On the “Set up your online services” screen, select “Set up my online services for me” > “Next”
  5. Select the services you want to activate (Exchange, Skype for Business, Mobile Device Management) > “Next”
  6. You will then access the “Add records for your website” panel.
  7. Do you not have a website yet? Click “Next” at the bottom of the screen. You will get to the “Update DNS settings” screen. Follow the instructions in step 5
  8. Do you already have a website? If so, you will first have to determine how traffic should be routed to your website. You can choose between two methods:
    • EITHER you draw up a list manually:
      • Go to your domain provider’s control panel
      • Search for the place where you can manage your DNS settings.
      • The following types of records are created for Microsoft 365: CNAME, MX, SRV and TXT. Write these down.
      • Go back to your Office admin center. Create a record:
        • Select the type of record from the drop-down menu
        • Enter the hostname
        • Enter the value
        • Enter the TTL
        • Click “Add” to create this new record
        • Repeat until all desired records have been created.
        • Click “Save and close” to finish.
      • OR you click “Import DNS records”:
        • Microsoft retrieves your DNS settings from your domain provider
        • Wait a few minutes
        • Make sure that all desired records are included in the retrieved list
        • If some records are missing, add them following the instructions above
        • Click “Add” or “Save and close” to provisionally complete this process.
  1. In your Microsoft 365 admin center, go to “Settings > “Domains”
  2. Select the added domain, which is marked with an “incomplete installation” message
  3. Select “Continue installation”
  4. In the “Set up your online services” screen, select the option “I’ll manage my own DNS records” > “Next”
  5. Select the services you want to activate (Exchange, Skype for Business, Mobile Device Management)
  6. Click “Next”
  7. Proceed to step 5

Step 5: Changing the DNS settings of the Microsoft 365 services used by your domain provider

After linking your domain to the Microsoft 365 services, you can activate the Microsoft 365 services, such as e-mail and chat, by adding the DNS records for your domain at your domain provider.

  1. In your Microsoft 365 admin center, go to “Settings > “Domains”
  2. Select the added domain, which is marked with an “incomplete installation” message
  3. Select “Continue installation”
  4. In the “Update DNS Settings” panel, click “Export options” to download a csv file with all the settings, or print out these settings.
  5. Go to your domain provider’s control panel.
  6. Search for the place where you can manage your DNS settings.
  7. Enter the data from your Microsoft admin center for the desired records:
    • MX records: for your e-mail

      Note: if you already have an e-mail service with another provider, the DNS settings of that provider will be entered here. As soon as you replace these settings with the Microsoft 365 DNS settings, all incoming mail will be sent to the new e-mail service at Microsoft 365. Old messages will remain in their current mailbox, unless you migrate them to Microsoft 365. “.

    • CNAME records
    • TXT records
    • SRV records

Tip: You can also skip this step, and add these data manually at your domain provider later on.

Updated on 26 August 2020

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