Apex domains cannot have CNAME records.
Question and response
Question
dig awhisperinmyghost.com. NS
Answer
awhisperinmyghost.com. 5 NS ns-30.awsdns-03.com.
awhisperinmyghost.com. 5 NS ns-1791.awsdns-31.co.uk.
awhisperinmyghost.com. 5 NS ns-1310.awsdns-35.org.
awhisperinmyghost.com. 5 NS ns-992.awsdns-60.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0