Apex domains cannot have CNAME records.
Question and response
Question
dig cimondemand.com. NS
Answer
cimondemand.com. 5 NS ns2.p07.dynect.net.
cimondemand.com. 5 NS ns-10.awsdns-01.com.
cimondemand.com. 5 NS ns4.p07.dynect.net.
cimondemand.com. 5 NS ns-1294.awsdns-33.org.
cimondemand.com. 5 NS ns-695.awsdns-22.net.
cimondemand.com. 5 NS ns3.p07.dynect.net.
cimondemand.com. 5 NS ns-1954.awsdns-52.co.uk.
cimondemand.com. 5 NS ns1.p07.dynect.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0