pl0003.produce.eu.com has no MX records.
Question and response
Question
dig pl0003.produce.eu.com. MX
Answer
The response has no answer records.
Authority
produce.eu.com. 1800 SOA athena.ns.cloudflare.com. dns.cloudflare.com. 2396576003 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0