Apex domains cannot have CNAME records.
Question and response
Question
dig gedisa.famedly.care. NS
Answer
gedisa.famedly.care. 5 NS ns1.famedly.de.
gedisa.famedly.care. 5 NS ns0.famedly.de.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0