Apex domains cannot have CNAME records.
Question and response
Question
dig lavitaicecream.com. NS
Answer
lavitaicecream.com. 5 NS ns-1317.awsdns-36.org.
lavitaicecream.com. 5 NS ns-53.awsdns-06.com.
lavitaicecream.com. 5 NS ns-730.awsdns-27.net.
lavitaicecream.com. 5 NS ns-958.awsdns-55.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0