mailfactures.webaxys.net has no MX records.
Question and response
Question
dig mailfactures.webaxys.net. MX
Answer
The response has no answer records.
Authority
webaxys.net. 600 SOA ns1.webaxys.net. webmaster.webaxys.net. 2015081344 800 3600 432000 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0