252-37.hukot.net has no MX records.
Question and response
Question
dig 252-37.hukot.net. MX
Answer
The response has no answer records.
Authority
hukot.net. 1000 SOA ns1.hukot.cz. hukot.hukot.cz. 1767784022 28800 7200 604800 1000
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0