Apex domains cannot have CNAME records.
Question and response
Question
dig vinelinux.org. NS
Answer
vinelinux.org. 5 NS ns-1530.awsdns-63.org.
vinelinux.org. 5 NS ns-344.awsdns-43.com.
vinelinux.org. 5 NS ns-541.awsdns-03.net.
vinelinux.org. 5 NS ns-1830.awsdns-36.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0