216.244.82.50.static.onserver.com.br has no NS records.
NS records for this zone are defined at onserver.com.br.
NS records for this zone are defined at onserver.com.br.
Question and response
Question
dig 216.244.82.50.static.onserver.com.br. NS
Answer
The response has no answer records.
Authority
onserver.com.br. 1800 SOA etienne.ns.cloudflare.com. dns.cloudflare.com. 2397809476 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0