Apex domains cannot have CNAME records.
Question and response
Question
dig cki.net. NS
Answer
cki.net. 4 NS dns.starpoint.net.
cki.net. 4 NS dns2.starpont.net.
Authority
The response has no authority records.
Additional
dns.starpoint.net. 4 A 24.196.60.44
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0