spf03.redehost.com.br has no NS records.
NS records for this zone are defined at redehost.com.br.
NS records for this zone are defined at redehost.com.br.
Question and response
Question
dig spf03.redehost.com.br. NS
Answer
The response has no answer records.
Authority
redehost.com.br. 60 SOA redehostdns05.redehost.com.br. hostmaster.redehost.local. 2009105819 60 900 172800 60
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0