Apex domains cannot have CNAME records.
Question and response
Question
dig odigo.cloud. NS
Answer
odigo.cloud. 5 NS ns-1035.awsdns-01.org.
odigo.cloud. 5 NS ns-427.awsdns-53.com.
odigo.cloud. 5 NS ns-523.awsdns-01.net.
odigo.cloud. 5 NS ns-1940.awsdns-50.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0