fitns01.efit.net.br has no NS records.
NS records for this zone are defined at efit.net.br.
NS records for this zone are defined at efit.net.br.
Question and response
Question
dig fitns01.efit.net.br. NS
Answer
The response has no answer records.
Authority
efit.net.br. 86400 SOA Cp3.americanet.com.br. postmaster.ensite.com.br. 2025062906 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0