keeper.softline.kiev.ua has no MX records.
Question and response
Question
dig keeper.softline.kiev.ua. MX
Answer
The response has no answer records.
Authority
softline.kiev.ua. 10800 SOA ns.softline.kiev.ua. root.softline.kiev.ua. 2025061201 28800 3600 1209600 19200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0