promo.mojavewifi.com has no MX records.
Question and response
Question
dig flash.funnels.msgsndr.com. MX
Answer
The response has no answer records.
Authority
msgsndr.com. 1800 SOA megan.ns.cloudflare.com. dns.cloudflare.com. 2397261693 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0