sdn58o.cloudsend.com.br has no NS records.
NS records for this zone are defined at cloudsend.com.br.
NS records for this zone are defined at cloudsend.com.br.
Question and response
Question
dig sdn58o.cloudsend.com.br. NS
Answer
The response has no answer records.
Authority
cloudsend.com.br. 900 SOA ns-1004.awsdns-61.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0