fdevelop.com has no MX records.
Question and response
Question
dig fdevelop.com. MX
Answer
The response has no answer records.
Authority
fdevelop.com. 3600 SOA ns1.name.com. hostmaster.nsone.net. 1763061152 43200 7200 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0