pro118mail.dnspro.com.br has no NS records.
NS records for this zone are defined at dnspro.com.br.
NS records for this zone are defined at dnspro.com.br.
Question and response
Question
dig pro118mail.dnspro.com.br. NS
Answer
The response has no answer records.
Authority
dnspro.com.br. 1800 SOA cesar.ns.cloudflare.com. dns.cloudflare.com. 2396727720 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0