Apex domains cannot have CNAME records.
Question and response
Question
dig chinahardwarefactory.com. NS
Answer
chinahardwarefactory.com. 5 NS ns-860.awsdns-43.net.
chinahardwarefactory.com. 5 NS ns-1077.awsdns-06.org.
chinahardwarefactory.com. 5 NS ns-1271.awsdns-30.org.
chinahardwarefactory.com. 5 NS ns-1974.awsdns-54.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0