Apex domains cannot have CNAME records.
Question and response
Question
dig aamcopoughkeepsie.com. NS
Answer
aamcopoughkeepsie.com. 2 NS ns-1213.awsdns-23.org.
aamcopoughkeepsie.com. 2 NS ns-1023.awsdns-63.net.
aamcopoughkeepsie.com. 2 NS ns-1761.awsdns-28.co.uk.
aamcopoughkeepsie.com. 2 NS ns-1632.awsdns-12.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0