Apex domains cannot have CNAME records.
Question and response
Question
dig burberrys-outletonline.com. NS
Answer
burberrys-outletonline.com. 5 NS ns-465.awsdns-58.com.
burberrys-outletonline.com. 5 NS ns-1639.awsdns-12.co.uk.
burberrys-outletonline.com. 5 NS ns-1800.awsdns-33.co.uk.
burberrys-outletonline.com. 5 NS ns-2009.awsdns-59.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0