muc1.emea.nttdata.com has no MX records.
Question and response
Question
dig muc1.emea.nttdata.com. MX
Answer
The response has no answer records.
Authority
emea.nttdata.com. 3600 SOA emea.nttdata.com. hostmaster.gtm-mi01.emea.nttdata.com. 2023062701 3600 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0