Locate your domain services or buy a new domain
Published: June 8, 2012
Updated: February 28, 2013
Applies To: Office 365, Windows Azure, Windows Intune
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| This topic provides online help content that is applicable to multiple Microsoft cloud services, including Windows Intune and Office 365. |
To add a domain name to your Windows Azure AD tenant, you, as an administrator, must own a domain and change some of the DNS records for your domain. If you don’t already own a domain name, you can purchase one from a domain name registrar.
Your domain name registrar usually, but not always, manages the DNS records for your domain. If your registrar does not manage your DNS records, you’ll need to locate your DNS service provider. If you don’t recall the domain name registrar where you registered your domain, follow the steps provided here to locate the correct registrar.
What do you want to do?
Locate my domain name registrar
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Open a browser, and then go to the InterNIC search page.
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In the Whois Search box, type your domain name; for example, contoso.com.
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Select the Domain option, and then click Submit.
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On the Whois Search Results page, locate the Registrar entry. This entry lists the name of the organization that provides registrar service for the domain name that you entered.
Locate my DNS service provider
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Open a browser, and then go to the InterNIC search page.
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In the Whois Search box, type your domain name; for example, contoso.com.
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Select the Domain option, and then click Submit.
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On the Whois Search Results page, locate the first Name Server entry.
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Copy the name server information that appears after the colon (:), and then paste it into the Search box at the top of the page. Select Nameserver, and then click Submit.
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On the Whois Search Results page, locate the Registrar entry. This entry lists the DNS service provider who owns the name server.
How to buy a domain name
When you sign up for a Microsoft cloud service, you are issued a domain name that you can use with the service; for example, contoso.onmicrosoft.com. But you can also use your own domain name with the cloud service to personalize your email addresses and instant messaging addresses, or to host a website. If you don’t already have your own domain name, you can easily purchase one online at a domain name registrar, domain reseller, or even your current Internet provider.
The following are some common domain registrars:
After you register your domain name, you can sign in to the cloud service and add the domain name.

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