rev.91.223.52.33.interwan.pl has no MX records.
Question and response
Question
dig rev.91.223.52.33.interwan.pl. MX
Answer
The response has no answer records.
Authority
interwan.pl. 3600 SOA dns1.nano.pl. admin.nano.pl. 2025090202 10800 1800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0