Apex domains cannot have CNAME records.
Question and response
Question
dig d1teknoloji.com. NS
Answer
d1teknoloji.com. 5 NS ns-1954.awsdns-52.co.uk.
d1teknoloji.com. 5 NS ns-1100.awsdns-09.org.
d1teknoloji.com. 5 NS ns-295.awsdns-36.com.
d1teknoloji.com. 5 NS ns-1935.awsdns-49.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0