vtx-116-059.virtex.com.br has no NS records.
NS records for this zone are defined at virtex.com.br.
NS records for this zone are defined at virtex.com.br.
Question and response
Question
dig vtx-116-059.virtex.com.br. NS
Answer
The response has no answer records.
Authority
virtex.com.br. 3600 SOA leticia.virtex.com.br. virtex.com.br.virtex.com.br. 298094743 28800 7200 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0