138.0.205.68.linkbrasil.net.br has no NS records.
NS records for this zone are defined at linkbrasil.net.br.
NS records for this zone are defined at linkbrasil.net.br.
Question and response
Question
dig 138.0.205.68.linkbrasil.net.br. NS
Answer
The response has no answer records.
Authority
linkbrasil.net.br. 1800 SOA blair.ns.cloudflare.com. dns.cloudflare.com. 2399496404 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0