Apex domains cannot have CNAME records.
Question and response
Question
dig embertrails.site. NS
Answer
embertrails.site. 5 NS ns1.embertrails.site.
embertrails.site. 5 NS ns2.embertrails.site.
Authority
The response has no authority records.
Additional
ns1.embertrails.site. 5 A 104.140.17.90
ns2.embertrails.site. 5 A 104.140.19.22
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0