smtp-h1.konto.pl has no MX records.
Question and response
Question
dig smtp-h1.konto.pl. MX
Answer
The response has no answer records.
Authority
konto.pl. 3600 SOA ns.forpsi.net. admin.forpsi.com. 2026022601 3600 1800 2592000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0