You have an Azure subscription.
You create an Azure Active Directory (Azure AD) tenant named Tenant1 that has a domain name of
tenant1.onmicrosoft.com. You need to add the contoso.com domain name to Tenant1.
Which DNS record should you add to the contoso.com zone to be able to verify from Azure whether you own
the contoso.com domain?
A.
standard alias (CNAME)
B.
mail exchanger (MX)
C.
host (AAAA)
D.
signature (SIG)
https://docs.microsoft.com/en-us/azure/active-directory/add-custom-domain
MX / TXT record
1
2
Correct, answer is B = https://docs.microsoft.com/en-us/azure/active-directory/connect/active-directory-aadconnect-get-started-custom#verify-the-azure-ad-domain-selected-for-federation
1
2
TXT record
1
2
1st preference TXT record,
2nd MX record
2
2