Apex domains cannot have CNAME records.
Question and response
Question
dig perusilverjewelry.com. NS
Answer
perusilverjewelry.com. 5 NS ns-455.awsdns-56.com.
perusilverjewelry.com. 5 NS ns-698.awsdns-23.net.
perusilverjewelry.com. 5 NS ns-903.awsdns-48.net.
perusilverjewelry.com. 5 NS ns-1147.awsdns-15.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0