relay2.ukrsibbank.com has no MX records.
Question and response
Question
dig relay2.ukrsibbank.com. MX
Answer
The response has no answer records.
Authority
ukrsibbank.com. 3600 SOA nsa4.srv53.net. support.dnshosting.org. 1770912410 1800 600 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0