discovery.lodago.com has no MX records.
Question and response
Question
dig discovery.lodago.com. MX
Answer
The response has no answer records.
Authority
lodago.com. 1800 SOA dolly.ns.cloudflare.com. dns.cloudflare.com. 2395792828 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0