hOSTing has no MX records.
Question and response
Question
dig hOSTing. MX
Answer
The response has no answer records.
Authority
hOSTing. 900 SOA ns0.centralnic.net. hostmaster.centralnic.net. 1772294413 900 1800 6048000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0