Apex domains cannot have CNAME records.
Question and response
Question
dig rimlixeo.com. NS
Answer
rimlixeo.com. 5 NS ns-1497.awsdns-59.org.
rimlixeo.com. 5 NS ns-546.awsdns-04.net.
rimlixeo.com. 5 NS ns-1339.awsdns-39.org.
rimlixeo.com. 5 NS ns-1880.awsdns-43.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0