42.41.worldwithoutwire.com has no MX records.
Question and response
Question
dig 42.41.worldwithoutwire.com. MX
Answer
The response has no answer records.
Authority
worldwithoutwire.com. 21600 SOA ns1.worldwithoutwire.com. ipnoc.terago.ca. 2023073100 7200 3600 604800 21600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0