mx.casadosprodutosonline.com has no NS records.
NS records for this zone are defined at casadosprodutosonline.com.
NS records for this zone are defined at casadosprodutosonline.com.
Question and response
Question
dig mx.casadosprodutosonline.com. NS
Answer
The response has no answer records.
Authority
casadosprodutosonline.com. 3600 SOA dns.casadosprodutosonline.com. hostmaster.casadosprodutosonline.com. 1410947025 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0