d.ns14.net has no MX records.
Question and response
Question
dig d.ns14.net. MX
Answer
The response has no answer records.
Authority
ns14.net. 64800 SOA a.ns14.net. hostmaster.domain-robot.org. 2024111407 43200 10800 1209600 64800
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0