dedic.dc.besthosting.ua has no MX records.
Question and response
Question
dig dedic.dc.besthosting.ua. MX
Answer
The response has no answer records.
Authority
besthosting.ua. 3600 SOA ns1.besthosting.com.ua. hostmaster.besthosting.ua. 2025112801 3600 3600 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0