srv204.prodns.com.br has no NS records.
NS records for this zone are defined at prodns.com.br.
NS records for this zone are defined at prodns.com.br.
Question and response
Question
dig srv204.prodns.com.br. NS
Answer
The response has no answer records.
Authority
prodns.com.br. 1800 SOA jessica.ns.cloudflare.com. dns.cloudflare.com. 2393936573 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0