mx.kli.lt has no CNAME records.
Question and response
Question
dig mx.kli.lt. NS
Answer
The response has no answer records.
Authority
kli.lt. 5300 SOA ns.emu.lt. hostmaster.emu.lt. 2020110203 10800 3600 604800 14400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0