How to quickly verify that your DNS records are set up correctly


This article  describes How to quickly check your DNS records for Exchange Online and Lync Online.


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Office 365 allows companies to add personalized vanity domains and configure DNS records to point to services in the cloud.  Because of the variety of domain registrars, the process for adding these DNS records is different for each registrar. To help ease some of the confusion involved, Office 365 offers an easy way to confirm that the settings are configured appropriately.

After adding the domain and the required DNS records for Exchange Online and Lync Online, you will want to verify that they were set up correctly for integration with Office 365.  To do this, log on to the Microsoft Online Portal with a Global Administrator account and follow these steps:

  1. On the top navigation bar, click Admin.

  1. On the left navigation pane, click Domains.

  1. Click the vanity domain that you added DNS records to.

  1. To view and double-check the DNS records, click DNS Settings.

  1. To make sure that the records have replicated fully and are configured correctly, click Troubleshoot domain.

  1. It is a good idea to allow for up to 72 hours after adding the DNS records to give enough time for the records to replicate.  If you changed the settings more than 72 hours ago, select the I changed the settings at my provider more than 72 hours ago option, and then click Next.

  1. A dialog box is display when your settings are verified.

  1. If all the settings are configured correctly, the following messages are displayed.

  1. If either Exchange Online or Lync Online fail, see the following article help you determine whether you configured records at your registrar correctly:

Add your domain to Office 365:

Troubleshoot domain verification issues in Office 365:



  • Microsoft Office 365 for enterprises
  • Microsoft Office 365 for small businesses
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