webmail10.valueteam.com.br has no NS records.
NS records for this zone are defined at valueteam.com.br.
NS records for this zone are defined at valueteam.com.br.
Question and response
Question
dig webmail10.valueteam.com.br. NS
Answer
The response has no answer records.
Authority
valueteam.com.br. 3600 SOA atena.america-net.com.br. hostmaster.america-net.com.br. 2015111207 3600 600 6884800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0