Apex domains cannot have CNAME records.
Question and response
Question
dig eli.net. NS
Answer
eli.net. 2 NS ns2.integraonline.com.
eli.net. 2 NS ns.integraonline.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0