ns1.netsys.hn has no MX records.
Question and response
Question
dig ns1.netsys.hn. MX
Answer
The response has no answer records.
Authority
netsys.hn. 38400 SOA localhost.localdomain. soporte.netsys.hn. 3604447647 10800 3600 604800 38400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0