Apex domains cannot have CNAME records.
Question and response
Question
dig doordacht.dev. NS
Answer
doordacht.dev. 5 NS ns2.doordacht.dev.
doordacht.dev. 5 NS ns1.doordacht.dev.
Authority
The response has no authority records.
Additional
ns1.doordacht.dev. 5 A 149.210.250.157
ns2.doordacht.dev. 5 A 149.210.250.5
ns1.doordacht.dev. 5 AAAA 2a01:7c8:aac6:15a:5054:ff:fee0:ba78
ns2.doordacht.dev. 5 AAAA 2a01:7c8:aac6:15a:0:0:0:2
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0