Apex domains cannot have CNAME records.
Question and response
Question
dig kryvonta.com. NS
Answer
kryvonta.com. 4 NS ns-842.awsdns-41.net.
kryvonta.com. 4 NS ns-158.awsdns-19.com.
kryvonta.com. 4 NS ns-1193.awsdns-21.org.
kryvonta.com. 4 NS ns-1072.awsdns-06.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0