Apex domains cannot have CNAME records.
Question and response
Question
dig infokreasindo.net. NS
Answer
infokreasindo.net. 5 NS ns-1926.awsdns-48.co.uk.
infokreasindo.net. 5 NS ns-536.awsdns-03.net.
infokreasindo.net. 5 NS ns-327.awsdns-40.com.
infokreasindo.net. 5 NS ns-1108.awsdns-10.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0