Which type of DNS record should you create?

You have an Azure Active Directory (Azure AD) tenant named contosocloud.onmicrosoft.com.

Your company has a public DNS zone for contoso.com. You add contoso.com as a custom domain name to Azure AD. You need to ensure that Azure can verify the domain name.

Which type of DNS record should you create?
A . PTR
B . MX
C . NSEC3
D . RRSIG

Answer: B

Explanation:

Reference: https://docs.microsoft.com/en-us/azure/active-directory/governance/create-access-review