vm-mail-1.la.net.ua has no MX records.
Question and response
Question
dig vm-mail-1.la.net.ua. MX
Answer
The response has no answer records.
Authority
la.net.ua. 300 SOA ns1.lanet.ua. hostmaster.lanet.ua. 2103353934 3600 3600 1209600 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0