Apex domains cannot have CNAME records.
Question and response
Question
dig trelinoxa.org. NS
Answer
trelinoxa.org. 4 NS ns-1303.awsdns-34.org.
trelinoxa.org. 4 NS ns-1421.awsdns-49.org.
trelinoxa.org. 4 NS ns-257.awsdns-32.com.
trelinoxa.org. 4 NS ns-335.awsdns-41.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0