Apex domains cannot have CNAME records.
Question and response
Question
dig hometownwindowsandsiding.com. NS
Answer
hometownwindowsandsiding.com. 4 NS ns-1327.awsdns-37.org.
hometownwindowsandsiding.com. 4 NS ns-983.awsdns-58.net.
hometownwindowsandsiding.com. 4 NS ns-1104.awsdns-10.org.
hometownwindowsandsiding.com. 4 NS ns-1631.awsdns-11.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0