What should you create to verify the domain names successfully?

You need to Add the custom domain name* to Office 36S K> support the planned changes as quickly as possible.

What should you create to verify the domain names successfully?
A . three alias (CNAME) record
B . one text (TXT) record
C . one alias (CNAME) record
D . three text (TXT) record

Answer: B

Explanation:

Contoso plans to provide email addresses for all the users in the following domains:

✑ East.adatum.com

✑ Contoso.adatum.com

✑ Humongousinsurance.com

To verify three domain names, you need to add three TXT records.

Reference: https://docs.microsoft.com/en-us/office365/admin/setup/add-domain?view=o365-worldwide