poczta.fiberway.pl has no MX records.
Question and response
Question
dig poczta.fiberway.pl. MX
Answer
The response has no answer records.
Authority
fiberway.pl. 10800 SOA ns1.fiberway.pl. hostmaster.fiberway.pl. 2026030301 7200 300 1209600 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0