Apex domains cannot have CNAME records.
Question and response
Question
dig turkhosting.com.tr. NS
Answer
turkhosting.com.tr. 2 NS ns2.turkhosting.com.tr.
turkhosting.com.tr. 2 NS ns1.turkhosting.com.tr.
Authority
The response has no authority records.
Additional
ns1.turkhosting.com.tr. 2 A 159.253.45.56
ns2.turkhosting.com.tr. 2 A 159.253.45.237
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0