Apex domains cannot have CNAME records.
Question and response
Question
dig qualitia.com. NS
Answer
qualitia.com. 4 NS ns-1597.awsdns-07.co.uk.
qualitia.com. 4 NS ns-1087.awsdns-07.org.
qualitia.com. 4 NS ns-308.awsdns-38.com.
qualitia.com. 4 NS ns-757.awsdns-30.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0