static-188-137-39-13.leon.com.pl has no MX records.
Question and response
Question
dig static-188-137-39-13.leon.com.pl. MX
Answer
The response has no answer records.
Authority
leon.com.pl. 43200 SOA ns1.leon.pl. admin.leon.pl. 2025100102 3600 1200 2419200 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0