dns1.desktop.com.br has no NS records.
NS records for this zone are defined at desktop.com.br.
NS records for this zone are defined at desktop.com.br.
Question and response
Question
dig dns1.desktop.com.br. NS
Answer
The response has no answer records.
Authority
desktop.com.br. 600 SOA dns1.desktop.com.br. sysop.desktop.com.br. 2026021105 10800 1800 2592001 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0