dns2.orbitelecom.com.br has no NS records.
NS records for this zone are defined at orbitelecom.com.br.
NS records for this zone are defined at orbitelecom.com.br.
Question and response
Question
dig dns2.orbitelecom.com.br. NS
Answer
The response has no answer records.
Authority
orbitelecom.com.br. 300 SOA dns1.orbitelecom.com.br. hostmaster.orbitelecom.com.br. 2026052225 7200 3600 2419200 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0