host-45.183.141-144.csed.net.ec has no MX records.
Question and response
Question
dig host-45.183.141-144.csed.net.ec. MX
Answer
The response has no answer records.
Authority
csed.net.ec. 3600 SOA ns1.contabo.net. hostmaster.contabo.de. 1773090290 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0