www2.orange.pl has no MX records.
Question and response
Question
dig www2.orange.pl. MX
Answer
The response has no answer records.
Authority
orange.pl. 86400 SOA ns1.corpnet.pl. dns-pl.orange.com. 2026022401 172800 21600 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0