Apex domains cannot have CNAME records.
Question and response
Question
dig cc-net.hosting. NS
Answer
cc-net.hosting. 5 NS ns-46.awsdns-05.com.
cc-net.hosting. 5 NS ns-913.awsdns-50.net.
cc-net.hosting. 5 NS ns-1152.awsdns-16.org.
cc-net.hosting. 5 NS ns-1838.awsdns-37.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0