Apex domains cannot have CNAME records.
Question and response
Question
dig media.infocom.kr.ua. NS
Answer
media.infocom.kr.ua. 5 NS ns.media.infocom.kr.ua.
Authority
The response has no authority records.
Additional
ns.media.infocom.kr.ua. 5 A 195.230.140.34
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0