msa.credibrf.com.br has no NS records.
NS records for this zone are defined at credibrf.com.br.
NS records for this zone are defined at credibrf.com.br.
Question and response
Question
dig msa.credibrf.com.br. NS
Answer
The response has no answer records.
Authority
credibrf.com.br. 300 SOA ns1-09.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0