Apex domains cannot have CNAME records.
Question and response
Question
dig parkavenueselfstorage.com. NS
Answer
parkavenueselfstorage.com. 3 NS ns-554.awsdns-05.net.
parkavenueselfstorage.com. 3 NS ns-863.awsdns-43.net.
parkavenueselfstorage.com. 3 NS ns-791.awsdns-34.net.
parkavenueselfstorage.com. 3 NS ns-1012.awsdns-62.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0