正解:C,D
Azure Domain Name Service supports A, AAAA, MX, CNAME, PTR, SRV, SOA, and TXT records.
Option A is incorrect. CNAME is a valid DNS record type.
Option B is incorrect. A is a valid DNS record type.
Option C is correct. Azure DNS does not support AA type.
Option D is correct. Azure DNS does not support AAA type.
Option E is incorrect. Azure Domain Name Service supports A, AAAA, MX, CNAME, PTR, SRV, SOA, and TXT records.
Reference:
https://docs.microsoft.com/en-us/azure/dns/private-dns-overview?WT.mc_id=modinfra-33046- thmaure