Apex domains cannot have CNAME records.
Question and response
Question
dig tsugagardensanddesign.com. NS
Answer
tsugagardensanddesign.com. 3 NS ns2.tsugagardensanddesign.com.
tsugagardensanddesign.com. 3 NS ns1.tsugagardensanddesign.com.
Authority
The response has no authority records.
Additional
ns1.tsugagardensanddesign.com. 3 A 62.210.75.198
ns2.tsugagardensanddesign.com. 3 A 212.83.152.184
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0