Domain Name With Office 365. In the admin center choose Go to setup. Enter the name of the domain you want to add then select Next.
Under Management click on Domains. No this is not true They dont really care what the AD domain DNS name is. To find the server name for Exchange 2016.
In the Buy a domain wizard in the Office 365 admin center type the domain name youve chosen for your business and then click check availability.
On the Choose a domain window select Use your own domain and click next. Select Manage next to the email address you want to update. Based on this organization name Azure AD service will allocate a tenant name and it will also create a default domain for your tenant the domain name will be the same as your tenant name but with the suffix. The most common server name for Office 365 is.