ns2.ultralinknet.net.br has no NS records.
NS records for this zone are defined at ultralinknet.net.br.
NS records for this zone are defined at ultralinknet.net.br.
Question and response
Question
dig ns2.ultralinknet.net.br. NS
Answer
The response has no answer records.
Authority
ultralinknet.net.br. 300 SOA ns1.ultralinknet.net.br. hostmaster.ultralinknet.net.br. 2025021107 14400 3600 2419200 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0