neusentry.net has no MX records.
Question and response
Question
dig neusentry.net. MX
Answer
The response has no answer records.
Authority
neusentry.net. 1800 SOA pdns1.ultradns.net. hostmaster.neusentry.com. 2013092802 10800 3600 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0