hmail.task.gda.pl has no MX records.
Question and response
Question
dig hmail.task.gda.pl. MX
Answer
The response has no answer records.
Authority
task.gda.pl. 3600 SOA ns1.task.gda.pl. dns.task.gda.pl. 2026022405 10800 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0