Apex domains cannot have CNAME records.
Question and response
Question
dig qatar.net.qa. NS
Answer
qatar.net.qa. 5 NS dns1.qatar.net.qa.
qatar.net.qa. 5 NS ns2.qatar.net.qa.
qatar.net.qa. 5 NS ns1.qatar.net.qa.
qatar.net.qa. 5 NS dns2.qatar.net.qa.
qatar.net.qa. 5 NS dns3.qatar.net.qa.
Authority
The response has no authority records.
Additional
ns1.qatar.net.qa. 5 A 212.77.192.10
ns2.qatar.net.qa. 5 A 212.77.192.13
dns1.qatar.net.qa. 5 A 212.77.192.28
dns2.qatar.net.qa. 5 A 212.77.192.30
dns3.qatar.net.qa. 5 A 3.69.128.92
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0