fm-mailcloud01-19131.antispam.telconet.net has no MX records.
Question and response
Question
dig fm-mailcloud01-19131.antispam.telconet.net. MX
Answer
The response has no answer records.
Authority
telconet.net. 900 SOA srv1.telconet.net. hostmaster.telconet.net. 2584 10800 3600 2419200 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0