www.cometatelecom.com.br has no NS records.
NS records for this zone are defined at cometatelecom.com.br.
NS records for this zone are defined at cometatelecom.com.br.
Question and response
Question
dig www.cometatelecom.com.br. NS
Answer
The response has no answer records.
Authority
cometatelecom.com.br. 300 SOA ns1.cometatelecom.com.br. administrativo.cometatelecom.com.br. 2017010100 10800 3600 2419200 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0