MyO365.site BETA

Hi!

Looking for a free custom domain for your Office 365 or Azure AD tenant? Then you are at the right place!

To promote the usage of Office 365 and Azure AD, we are giving you one free custom domain per tenant for testing and evaluation purposes! This includes all DNS records for Office 365 services so you can use your custom domain in minutes.

To claim or manage your free custom domain, log in as any user (<user>@<yourtenant>.onmicrosoft.com) from your tenant.

See my blog at o365blog.com for step-by-step instructions!

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Frequently Asked Questions (FAQ)

Okay, free custom domain. What's the catch?
There's no catch :)
I've been a Microsoft Certified Trainer (MCT) since 2013 and provided Office 365 training for hundreds of people. It has always been difficult for my students to get access to DNS, so I decided to create this service to help you guys!

I'm a trainer/consultant/etc. Can I use the service to provide training/consultation/etc.?
Sure you can!
Just keep in mind, that the service is provided as-is without warranty of any kind. So you're using it at your own risk.

Why do I need to log in?
That is the only way to make sure that you:
  1. Have an Office 365 or Azure AD tenant
  2. You are not claiming more than one domain per tenant

When I log in, I'm asked to give a consent to access my data. Why?
Why do I get "Invalid username" error when I log in?
You need to log in using a username with the default domain of your tenant, such as myuser@mytenant.onmicrosoft.com. This is the only way for us to find out your tenant name and make sure you can claim only one domain from our service.

Do I need to log in as an administrator?
No, you don't. However, confirming the ownership of the domain requires administrative rights.