auto1.itop.net.br has no NS records.
NS records for this zone are defined at itop.net.br.
NS records for this zone are defined at itop.net.br.
Question and response
Question
dig auto1.itop.net.br. NS
Answer
The response has no answer records.
Authority
itop.net.br. 300 SOA auto1.itop.net.br. auto2.itop.net.br. 2022117131 10800 3600 2419200 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0