xavier.macrolan.co.za has no MX records.
Question and response
Question
dig xavier.macrolan.co.za. MX
Answer
The response has no answer records.
Authority
macrolan.co.za. 25600 SOA ns1.macrolan.co.za. dns-admin.macrolan.co.za. 25600 2015071512 16384 2048 1048576
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0