webmail.netbrasilemail.com.br has no NS records.
NS records for this zone are defined at netbrasilemail.com.br.
NS records for this zone are defined at netbrasilemail.com.br.
Question and response
Question
dig webmail.netbrasilemail.com.br. NS
Answer
The response has no answer records.
Authority
netbrasilemail.com.br. 900 SOA b.sec.dns.br. hostmaster.registro.br. 2026047000 86400 900 604800 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0