mail.ifxnw.com.ve has no MX records.
Question and response
Question
dig mail.ifxnw.com.ve. MX
Answer
The response has no answer records.
Authority
ifxnw.com.ve. 3600 SOA dns.eldish.net. dns.eldish.net. 2025102803 3600 600 86400 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0