Apex domains cannot have CNAME records.
Question and response
Question
dig marabout-gbezawe.com. NS
Answer
marabout-gbezawe.com. 5 NS ns-469.awsdns-58.com.
marabout-gbezawe.com. 5 NS ns-1308.awsdns-35.org.
marabout-gbezawe.com. 5 NS ns-1745.awsdns-26.co.uk.
marabout-gbezawe.com. 5 NS ns-254.awsdns-31.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0