soporte.fiberluxperu.com has no MX records.
Question and response
Question
dig soporte.fiberluxperu.com. MX
Answer
The response has no answer records.
Authority
fiberluxperu.com. 3600 SOA ns1.fiberluxperu.com. noc.flx.com.pe. 2025112200 10800 3600 604800 38400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0