Apex domains cannot have CNAME records.
Question and response
Question
dig thegood.cloud. NS
Answer
thegood.cloud. 5 NS auth01.dns.trueserver.nl.
thegood.cloud. 5 NS auth03.dns.trueserver.nl.
thegood.cloud. 5 NS auth02.dns.trueserver.nl.
Authority
The response has no authority records.
Additional
auth01.dns.trueserver.nl. 5 A 213.193.210.2
auth02.dns.trueserver.nl. 5 A 193.28.152.2
auth03.dns.trueserver.nl. 5 A 213.239.136.2
auth01.dns.trueserver.nl. 5 AAAA 2001:9a8:0:10:0:0:0:2
auth02.dns.trueserver.nl. 5 AAAA 2001:9a8:0:11:0:0:0:2
auth03.dns.trueserver.nl. 5 AAAA 2001:9a8:0:12:0:0:0:2
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0