Apex domains cannot have CNAME records.
Question and response
Question
dig pandalenses.com. NS
Answer
pandalenses.com. 4 NS ns-1016.awsdns-63.net.
pandalenses.com. 4 NS ns-2.awsdns-00.com.
pandalenses.com. 4 NS ns-28.awsdns-03.com.
pandalenses.com. 4 NS ns-2005.awsdns-58.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0