pointing.wixdns.net has no MX records.
Question and response
Question
dig td-premium-37-117.wixdns.net. MX
Answer
The response has no answer records.
Authority
wixdns.net. 3600 SOA dns1.p02.nsone.net. hostmaster.nsone.net. 1749309005 3600 600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0