Apex domains cannot have CNAME records.
Question and response
Question
dig martiniqueart.com. NS
Answer
martiniqueart.com. 5 NS ns2.martiniqueart.com.
martiniqueart.com. 5 NS ns1.martiniqueart.com.
Authority
The response has no authority records.
Additional
ns1.martiniqueart.com. 5 A 50.3.109.19
ns2.martiniqueart.com. 5 A 172.245.129.179
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0