Apex domains cannot have CNAME records.
Question and response
Question
dig ab-origenes.com. NS
Answer
ab-origenes.com. 5 NS ns-208.awsdns-26.com.
ab-origenes.com. 5 NS ns-884.awsdns-46.net.
ab-origenes.com. 5 NS ns-313.awsdns-39.com.
ab-origenes.com. 5 NS ns-1688.awsdns-19.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0