Apex domains cannot have CNAME records.
Question and response
Question
dig patchwork-laboratory.com. NS
Answer
patchwork-laboratory.com. 5 NS ns2.patchwork-laboratory.com.
patchwork-laboratory.com. 5 NS ns1.patchwork-laboratory.com.
Authority
The response has no authority records.
Additional
ns1.patchwork-laboratory.com. 5 A 51.161.68.214
ns2.patchwork-laboratory.com. 5 A 78.159.124.75
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0