You are the administrator of the Contoso financial group. You are responsible for managing all custom domain names on your tenant. Your company has recently bought another company and acquired a new domain name. You need to add this domain name to Azure Active Directory, which of the following record types are supported when adding a new domain in AAD?
When adding custom domain names via Azure, you can only use TXT or MX records to validate the domain. Once validated it will show up as "verified" and is then ready to be used.