hosted-by.mojohost.com has no MX records.
Question and response
Question
dig hosted-by.mojohost.com. MX
Answer
The response has no answer records.
Authority
mojohost.com. 60 SOA dnsa.mojohost.com. postmaster.mojohost.com. 2026021902 28800 3600 3600000 300
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0