Apex domains cannot have CNAME records.
Question and response
Question
dig theorthopaedicspinecenter.com. NS
Answer
theorthopaedicspinecenter.com. 5 NS ns-1411.awsdns-48.org.
theorthopaedicspinecenter.com. 5 NS ns-30.awsdns-03.com.
theorthopaedicspinecenter.com. 5 NS ns-319.awsdns-39.com.
theorthopaedicspinecenter.com. 5 NS ns-1256.awsdns-29.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0