Apex domains cannot have CNAME records.
Question and response
Question
dig fighteden.net. NS
Answer
fighteden.net. 5 NS ns-215.awsdns-26.com.
fighteden.net. 5 NS ns-506.awsdns-63.com.
fighteden.net. 5 NS ns-1609.awsdns-09.co.uk.
fighteden.net. 5 NS ns-1939.awsdns-50.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0