ns2.dotsconnecthosting.com has no MX records.
Question and response
Question
dig ns2.dotsconnecthosting.com. MX
Answer
The response has no answer records.
Authority
dotsconnecthosting.com. 86400 SOA ns1.dotsconnecthosting.com. hostmaster.tsysecom.com. 2017060102 10800 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0