cust-201-55-196-52.ipnettelecom.com.br has no NS records.
NS records for this zone are defined at ipnettelecom.com.br.
NS records for this zone are defined at ipnettelecom.com.br.
Question and response
Question
dig cust-201-55-196-52.ipnettelecom.com.br. NS
Answer
The response has no answer records.
Authority
ipnettelecom.com.br. 60 SOA dracarys.alares.network. ti\.inf.alaresinternet.com.br. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0