Apex domains cannot have CNAME records.
Question and response
Question
dig condimentosnunes.com. NS
Answer
condimentosnunes.com. 5 NS ns-279.awsdns-34.com.
condimentosnunes.com. 5 NS ns-726.awsdns-26.net.
condimentosnunes.com. 5 NS ns-1158.awsdns-16.org.
condimentosnunes.com. 5 NS ns-1608.awsdns-09.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0