dns04.donovandata.com has no MX records.
Question and response
Question
dig dns04.donovandata.com. MX
Answer
The response has no answer records.
Authority
donovandata.com. 3600 SOA dns01.donovandata.com. domainadmin.mediaocean.com. 2025031301 900 60 604800 3600
Additional
. 0 OPT ; payload 1500, xrcode 0, version 0, flags 0