Apex domains cannot have CNAME records.
Question and response
Question
dig dataclub.info. NS
Answer
dataclub.info. 5 NS ns4.dataclub.lv.
dataclub.info. 5 NS ns5.dataclub.lv.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0