vip-ext-0.ielo.net has no MX records.
Question and response
Question
dig vip-ext-0.ielo.net. MX
Answer
The response has no answer records.
Authority
ielo.net. 86400 SOA imin.ns.ielo.net. hostmaster.ielo.net. 2026012901 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0