Apex domains cannot have CNAME records.
Question and response
Question
dig teatrobomjesus.com.br. NS
Answer
teatrobomjesus.com.br. 5 NS ns4-33.azure-dns.info.
teatrobomjesus.com.br. 5 NS ns1-33.azure-dns.com.
teatrobomjesus.com.br. 5 NS ns2-33.azure-dns.net.
teatrobomjesus.com.br. 5 NS ns3-33.azure-dns.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0