Apex domains cannot have CNAME records.
Question and response
Question
dig drivemoregreen.com. NS
Answer
drivemoregreen.com. 4 NS ns-1356.awsdns-41.org.
drivemoregreen.com. 4 NS ns-1091.awsdns-08.org.
drivemoregreen.com. 4 NS ns-819.awsdns-38.net.
drivemoregreen.com. 4 NS ns-1537.awsdns-00.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0