Apex domains cannot have CNAME records.
Question and response
Question
dig dd.kiev.ua. NS
Answer
dd.kiev.ua. 4 NS ns2.trifle.net.
dd.kiev.ua. 4 NS primaryns.kiev.ua.
Authority
The response has no authority records.
Additional
primaryns.kiev.ua. 4 A 194.44.221.230
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0