Apex domains cannot have CNAME records.
Question and response
Question
dig jerrydsmith.com. NS
Answer
jerrydsmith.com. 4 NS ns-646.awsdns-16.net.
jerrydsmith.com. 4 NS ns-631.awsdns-14.net.
jerrydsmith.com. 4 NS ns-1954.awsdns-52.co.uk.
jerrydsmith.com. 4 NS ns-1334.awsdns-38.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0