dns5.interedetelecom.com.br has no NS records.
NS records for this zone are defined at interedetelecom.com.br.
NS records for this zone are defined at interedetelecom.com.br.
Question and response
Question
dig dns5.interedetelecom.com.br. NS
Answer
The response has no answer records.
Authority
interedetelecom.com.br. 604800 SOA dns3.interedetelecom.com.br. root.interedetelecom.com.br. 4 604800 86400 2419200 604800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0