143.255.196.36.grupojet.com.br has no NS records.
NS records for this zone are defined at grupojet.com.br.
NS records for this zone are defined at grupojet.com.br.
Question and response
Question
dig 143.255.196.36.grupojet.com.br. NS
Answer
The response has no answer records.
Authority
grupojet.com.br. 1800 SOA corey.ns.cloudflare.com. dns.cloudflare.com. 2399958858 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0