Apex domains cannot have CNAME records.
Question and response
Question
dig manzanotubtilereglazing.com. NS
Answer
manzanotubtilereglazing.com. 5 NS ns-209.awsdns-26.com.
manzanotubtilereglazing.com. 5 NS ns-1165.awsdns-17.org.
manzanotubtilereglazing.com. 5 NS ns-1892.awsdns-44.co.uk.
manzanotubtilereglazing.com. 5 NS ns-1983.awsdns-55.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0