Apex domains cannot have CNAME records.
Question and response
Question
dig getalternativeenergyjob.com. NS
Answer
getalternativeenergyjob.com. 5 NS ns-1889.awsdns-44.co.uk.
getalternativeenergyjob.com. 5 NS ns-519.awsdns-00.net.
getalternativeenergyjob.com. 5 NS ns-395.awsdns-49.com.
getalternativeenergyjob.com. 5 NS ns-1074.awsdns-06.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0