ns2.nease.net has no MX records.
Question and response
Question
dig ns2.nease.net. MX
Answer
The response has no answer records.
Authority
nease.net. 60 SOA ns4.nease.net. admin.nease.net. 998251 36000 3000 3600000 60
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0