ns2.computex.net.br has no NS records.
NS records for this zone are defined at computex.net.br.
NS records for this zone are defined at computex.net.br.
Question and response
Question
dig ns2.computex.net.br. NS
Answer
The response has no answer records.
Authority
computex.net.br. 3600 SOA ns1.computex.net.br. hostmaster.computex.net.br. 2025063006 14400 7200 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0