corporate.openitgroup.com.br has no NS records.
NS records for this zone are defined at openitgroup.com.br.
NS records for this zone are defined at openitgroup.com.br.
Question and response
Question
dig corporate.openitgroup.com.br. NS
Answer
The response has no answer records.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0