Apex domains cannot have CNAME records.
Question and response
Question
dig ehidballasts.com. NS
Answer
ehidballasts.com. 5 NS ns-1698.awsdns-20.co.uk.
ehidballasts.com. 5 NS ns-641.awsdns-16.net.
ehidballasts.com. 5 NS ns-417.awsdns-52.com.
ehidballasts.com. 5 NS ns-608.awsdns-12.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0