Apex domains cannot have CNAME records.
Question and response
Question
dig ehosts.net. NS
Answer
ehosts.net. 2 NS ns-1783.awsdns-30.co.uk.
ehosts.net. 2 NS ns-1475.awsdns-56.org.
ehosts.net. 2 NS ns-62.awsdns-07.com.
ehosts.net. 2 NS ns-801.awsdns-36.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0