troia.kinghost.net has no MX records.
Question and response
Question
dig troia.kinghost.net. MX
Answer
The response has no answer records.
Authority
troia.kinghost.net. 3600 SOA dns1.kinghost.com.br. abuse.kinghost.net. 2208120001 3600 600 86400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0