Apex domains cannot have CNAME records.
Question and response
Question
dig itwkf.com. NS
Answer
itwkf.com. 5 NS ns1.itwkf.com.
itwkf.com. 5 NS ns2.itwkf.com.
Authority
The response has no authority records.
Additional
ns1.itwkf.com. 5 A 62.100.205.56
ns2.itwkf.com. 5 A 62.100.206.8
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0