ns6.lapsoluciones.com has no MX records.
Question and response
Question
dig ns6.lapsoluciones.com. MX
Answer
The response has no answer records.
Authority
lapsoluciones.com. 86400 SOA ns5.lapsoluciones.com. root.vpsmx.lapsoluciones.com. 2026011500 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0