Create DNS records at Register.com for Office 365

If Register.com is your DNS hosting provider, here’s how to set up your DNS records for Office 365:

If you’ve closed Office 365, start by gathering the information you need to create Office 365 DNS records.

 Note    Typically it takes about 15 minutes for DNS changes to take effect. However, it can take up to 72 hours for a changed record to propagate through the DNS system. If you’re having trouble adding DNS records, see Troubleshoot issues after changing your domain name or updating DNS records.

Configure your DNS records at Register.com

Use the steps in the following table to get to the right spot in the Register.com website to edit your DNS records.

Task What you’ll see

Go to the page that has the DNS records for your domain.

  1. In your browser, go to your domains at Register.com and sign in.
  1. On the My Accounts tab, find the name of the domain you’re changing.
  2. Click the domain name. The account page for your domain opens.

Register-Configure-1-3,4

Register-Configure-2-1,2

Add records to configure your domain for Exchange Online

To add the three records at Register.com that are required for email, use the steps in the following table.

Task What you’ll see

Add a mail exchanger record (MX record).

  1. On the account page for your domain, scroll to the Advanced Technical Settings section.

To find the account page for your domain, see Find your DNS records at Register.com.

  1. Click Edit Mail Exchanger Records.

The Add MX Records page opens.

Copy the values from the MX row in the Exchange Online section of the Office 365 Add DNS records page into the empty record:

  • Host Name
  • Priority:
    select High. For more information about priority, see What is MX priority?
  • Mail Server: use the Points to address value.
  1. Click Continue.
  2. On the Confirmation page, click Continue.

Register-Configure-3-1

Register-Configure-3-2,3

Remove any obsolete MX records.

If you have an old MX record for this domain that routes email somewhere else:

  1. Select the Delete check box next to the old record.
  2. Click Continue.

Register-Configure-4

Add a CNAME record.

  1. On the account page for your domain, scroll to the Advanced Technical Settings section.
  1. Click Edit Domain Aliases Records.

The Add Domain Aliases (CNAME) page opens.

Copy the values from the CNAME row in the Exchange Online section of the Office 365 Add DNS records page into the empty record:

  • First field: use the Host name value.
  • Second field: use the Points to address value.
  1. Click Continue.
  2. On the Confirmation page, click Continue.

Register-Configure-5-1

Register-Configure-5-2,3,4

Add a TXT record.

  1. On the account page for your domain, scroll to the Advanced Technical Settings section.
  1. Click Edit TXT Records (SPF).

The Add TXT Record page opens.

Copy the values from the TXT row in the Exchange Online section of the Office 365 Add DNS records page into the empty record:

  • Host Name: use the TXT Name value.
  • Text Record: use the TXT Value value.
  1. Click Continue.
  2. On the Confirmation page, click Continue.

Register-Configure-6-1

Register-Configure-6-2,3,4

Add records to configure your domain for Lync Online

To add the four records at Register.com that are required for Lync Online, use the steps in the following table.

Task What you’ll see

Add the first CNAME record for Lync Online.

  1. On the account page for your domain, scroll to the Advanced Technical Settings section.

To find the account page for your domain, see Find your DNS records at Register.com.

  1. Click Edit Domain Aliases Records.

The Add Domain Aliases (CNAME) page opens.

Copy the values from the first CNAME row in the Lync Online section of the Office 365 Add DNS records page into the empty record:

  • First field: use the Host name value.
  • Second field: use the Points to address value.
  1. Click Continue.
  2. On the Confirmation page, click Continue.

Register-Configure-5-1

Register-Configure-5-2,3,4

Add the second CNAME record for Lync Online.

  1. Click Add More Domain Aliases Records.

The Add Domain Aliases (CNAME) page opens.

Copy the values from the second CNAME row in the Lync Online section of the Office 365 Add DNS records page into the empty record:

  • First field: use the Host name value.
  • Second field: use the Points to address value.
  1. Click Continue.
  2. On the Confirmation page, click Continue.

Add the first SRV record.

  1. In the Advanced Technical Settings section, click Edit SRV Records.

The Add more SRV records page opens.

Copy the values from the first SRV row in the Lync Online section of the Office 365 Add DNS records page into the empty record:

  • Service
  • Proto: use the Protocol value.
  • Name
  • Priority
  • Weight
  • Port
  • Target
  1. Click Continue.
  2. On the Confirmation page, click Continue.

Register-Configure-9-1

Register-Configure-9-2,3

Add the second SRV record.

  1. Click Add more SRV records.

An empty row opens.

Copy the values from the first SRV row in the Lync Online section of the Office 365 Add DNS records page into the empty record:

  • Service
  • Proto: use the Protocol value.
  • Name
  • Priority
  • Weight
  • Port
  • Target
  1. Click Continue.
  2. On the Confirmation page, click Continue.

Add a record for your SharePoint Online public website (if needed)

 Important    If you host your public website on Office 365, before making it available from your custom domain name, make sure you have finished creating your SharePoint Online public website and are ready to make it available to the public.

When you’re ready to create the CNAME record, use the following steps to add the record at Register.

ShowFor Office 365 Enterprise or Office 365 Midsize Business

Get an overview of the process by reading the topic that applies to you:

Then, when you’re ready to create the required CNAME record, use the steps in the following table.

Task Action

Add a CNAME record.

  1. On the account page for your domain, scroll to the Advanced Technical Settings section.

To find the account page for your domain, see Find your DNS records at Register.com.

  1. Click Edit domain aliases.

The Add Domain Aliases (CNAME) page opens.

  1. Add the required information in the empty record:
  • First field: use the name of your custom domain; for example, www.contoso.com.
  • Second field: use the target address value from the DNS Information page.

Save your changes.

  1. Click Continue.
  2. On the Confirmation page, click Continue.

ShowFor Office 365 Small Business

Get an overview of the process by reading Use a custom domain name for your Office 365 public website address.

If you manage your DNS records at Register, when you’re ready to create the CNAME record, use the steps in the following table.

Task Action

Add a CNAME record.

  1. On the Register account page for your domain, scroll to the Advanced Technical Settings section.

To find the account page for your domain, see Find your DNS records at Register.com.

  1. Click Edit domain aliases.
  2. The Add Domain Aliases (CNAME) page opens.
  3. Add the required information in the empty record:
  • First field: use www.
  • Second field: use name.sharepoint.com.
    Name is the name of your custom domain, for example contoso.sharepoint.com.

Save your changes.

  1. Click Continue.
  2. On the Confirmation page, click Continue.

Set up redirection so that people can get to your public website if they don’t type www.

If you want people to be able to get to your public website without including www in the address, you can use the steps in the following table to set up redirection  at Register.com. This maps the naked domain name, for example http://fourthcoffee.com, to the full domain name; for example, http://www.fourthcoffee.com. For more information about redirection, see How can I make sure people can get to my website if they don’t type www?

Task What you’ll see

Select the domain.

  • On the account page for your domain, click Web Site Forwarding.

To find the account page for your domain, see Find your DNS records at Register.com.

Set up redirection.

  1. On the account page for your domain, scroll to the Domains/Services section.
  2. Click Web Site Forwarding.
  1. On the Basic Web Site Forwarding page, in the first points to field, type or paste your fully qualified URL: For example, www.fourthcoffee.com.
  2. Click Continue.
  3. On the confirmation page, click Continue.

Register-Redirect-2-1,2

Register-Redirect-2-3

Add an additional record that’s required for Office 365

To add the additional record at Register.com that is required for Office 365, use the steps in the following table. Learn why this record is needed.

Task What you’ll see

Add the additional CNAME record for Office 365

  1. On the account page for your domain, go to the Advanced Technical Settings section.

To find the account page for your domain, see Find your DNS records at Register.com.

  1. Click Add more domain aliases.

An empty row opens.

Copy the values from the CNAME row in the Additional Office 365 records section of the Office 365 Add DNS records page into the empty record:

  • First field: use the Host name value.
  • Second field: use the Points to address value.

Register-Configure-5-1

Register-Configure-5-2,3,4

Save your changes.

  1. Click Continue.
  2. On the Confirmation page, click Continue.

Add a record to verify that you own the domain, if you haven’t already

To add a record at Register.com to verify your domain, use the steps in the following table.

 Note    This record is used only to verify that you own your domain; it doesn’t affect anything else.

Task What you’ll see

Gather information from Office 365.

If you’re not signed in to Office 365, sign in to Office 365. In the header, go to Admin > Office 365, and then click Domains.

  1. If you haven’t yet added a domain, on the Domains page, click Add a domain, and follow the steps in the wizard. For more information about adding a domain, see Add your domain to Office 365.
  1. If you’ve already added a domain, on the Domains page, in the Status column for the domain that you are verifying, click Setup in progress.
  2. On the Add a domain to Office 365 page, click Specify a domain name and confirm ownership.
  3. In the See instructions for performing this step with drop-down list, select General instructions.
  4. From the table, copy or write down the Destination or Points to Address information. You’ll need it for the next step.

Verify General

 Verify General 1.2

Verify General 1.3

Add a TXT record.

  1. On the account page for your domain, scroll to the Advanced Technical Settings section.

To find the account page for your domain, see Find your DNS records at register.com.

  1. At the bottom of the page, under Advanced Technical Settings, click Edit TXT Records (SPF).
  1. In the empty row, enter the following:
  • Host Name: type or paste @
  • TXT Record: use the Destination or Points to Address value.
  1. Click Continue.
  2. On the Confirmation page, review the record that you created, and then click Continue.

Register-Verify-2-1,2

Register-Verify-2-3,4

Verify your domain in Office 365.

  1. Wait at least 15 minutes for the changes to take effect across the Internet.
  1. If you’re not yet signed in to Office 365, sign in to Office 365, and in the header, go to Admin > Office 365 > Domains.
  1. In the Domains list, in the Status column for the domain you are verifying, click Click to verify domain.
  2. On the Confirm that you own your_domain page, click done, verify now, and in the confirmation dialog box, click OK.
  3. Click Finish. Your domain status is now listed as Verified in the list of domains.
 
 
Applies to:
Office 365 Enterprise admin, Office 365 Midsize Business admin, Office 365 Small Business admin