You have a registered DNS domain named contoso.com. You create a public Azure DNS zone named contoso.com. You need to ensure that records created in the contoso.com zone are resolvable from the internet. What should you do? 

Answer options:

A. Create NS records in contoso.com.
B. Modify the SOA record in the DNS domain registrar.
C. Create the SOA record in contoso.com.
D. Modify the NS records in the DNS domain registrar.

D

Reference: https://docs.microsoft.com/en-us/azure/dns/dns-delegate-domain-azure-dns