Apex domains cannot have CNAME records.
Question and response
Question
dig haastechsales.com. NS
Answer
haastechsales.com. 5 NS ns-1582.awsdns-05.co.uk.
haastechsales.com. 5 NS ns-343.awsdns-42.com.
haastechsales.com. 5 NS ns-596.awsdns-10.net.
haastechsales.com. 5 NS ns-775.awsdns-32.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0