Apex domains cannot have CNAME records.
Question and response
Question
dig okitup.net. NS
Answer
okitup.net. 4 NS ns-881.awsdns-46.net.
okitup.net. 4 NS ns-442.awsdns-55.com.
okitup.net. 4 NS ns-1609.awsdns-09.co.uk.
okitup.net. 4 NS ns-1154.awsdns-16.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0