Apex domains cannot have CNAME records.
Question and response
Question
dig kelotel.com. NS
Answer
kelotel.com. 5 NS ns-243.awsdns-30.com.
kelotel.com. 5 NS ns-422.awsdns-52.com.
kelotel.com. 5 NS ns-463.awsdns-57.com.
kelotel.com. 5 NS ns-1994.awsdns-57.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0