Apex domains cannot have CNAME records.
Question and response
Question
dig nic.md. NS
Answer
nic.md. 5 NS annabel.ns.cloudflare.com.
nic.md. 5 NS kipp.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0