amx.antispam.redehost.com.br has no NS records.
NS records for this zone are defined at antispam.redehost.com.br.
NS records for this zone are defined at antispam.redehost.com.br.
Question and response
Question
dig amx.antispam.redehost.com.br. NS
Answer
The response has no answer records.
Authority
antispam.redehost.com.br. 60 SOA redehostdns05.redehost.com.br. hostmaster.redehost.local. 1070 60 900 172800 60
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0