Apex domains cannot have CNAME records.
Question and response
Question
dig cawebtemptronic.com. NS
Answer
cawebtemptronic.com. 4 NS ns1.cawebtemptronic.com.
cawebtemptronic.com. 4 NS ns2.cawebtemptronic.com.
Authority
The response has no authority records.
Additional
ns1.cawebtemptronic.com. 4 A 216.108.237.9
ns2.cawebtemptronic.com. 4 A 216.108.237.61
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0