Apex domains cannot have CNAME records.
Question and response
Question
dig karakilichukukburosu.com. NS
Answer
karakilichukukburosu.com. 4 NS ns-1878.awsdns-42.co.uk.
karakilichukukburosu.com. 4 NS ns-1305.awsdns-35.org.
karakilichukukburosu.com. 4 NS ns-175.awsdns-21.com.
karakilichukukburosu.com. 4 NS ns-951.awsdns-54.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0