Apex domains cannot have CNAME records.
Question and response
Question
dig fremontquote.com. NS
Answer
fremontquote.com. 5 NS ns-1011.awsdns-62.net.
fremontquote.com. 5 NS ns-1373.awsdns-43.org.
fremontquote.com. 5 NS ns-721.awsdns-26.net.
fremontquote.com. 5 NS ns-969.awsdns-57.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0