authsrv01.wznet.com.br has no NS records.
NS records for this zone are defined at wznet.com.br.
NS records for this zone are defined at wznet.com.br.
Question and response
Question
dig authsrv01.wznet.com.br. NS
Answer
The response has no answer records.
Authority
wznet.com.br. 38400 SOA dns-aut-01.wznet.com.br. cgr.wznet.com.br. 2025090400 10800 3600 86400 38400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0