Apex domains cannot have CNAME records.
Question and response
Question
dig lemontreeinnusa.com. NS
Answer
lemontreeinnusa.com. 5 NS ns1.lemontreeinnusa.com.
lemontreeinnusa.com. 5 NS ns2.lemontreeinnusa.com.
Authority
The response has no authority records.
Additional
ns1.lemontreeinnusa.com. 5 A 80.96.197.50
ns2.lemontreeinnusa.com. 5 A 80.96.197.52
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0