Apex domains cannot have CNAME records.
Question and response
Question
dig kredivofiestapoin.com. NS
Answer
kredivofiestapoin.com. 5 NS ns-1428.awsdns-50.org.
kredivofiestapoin.com. 5 NS ns-1798.awsdns-32.co.uk.
kredivofiestapoin.com. 5 NS ns-811.awsdns-37.net.
kredivofiestapoin.com. 5 NS ns-1413.awsdns-48.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0