Apex domains cannot have CNAME records.
Question and response
Question
dig nerobetuyelik.com. NS
Answer
nerobetuyelik.com. 5 NS ns-619.awsdns-13.net.
nerobetuyelik.com. 5 NS ns-1495.awsdns-58.org.
nerobetuyelik.com. 5 NS ns-1160.awsdns-17.org.
nerobetuyelik.com. 5 NS ns-1594.awsdns-07.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0