Apex domains cannot have CNAME records.
Question and response
Question
dig web-designer-dubai.com. NS
Answer
web-designer-dubai.com. 5 NS ns-1915.awsdns-47.co.uk.
web-designer-dubai.com. 5 NS ns-867.awsdns-44.net.
web-designer-dubai.com. 5 NS ns-1234.awsdns-26.org.
web-designer-dubai.com. 5 NS ns-1645.awsdns-13.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0