Apex domains cannot have CNAME records.
Question and response
Question
dig restocarpediem.com. NS
Answer
restocarpediem.com. 5 NS ns1.restocarpediem.com.
restocarpediem.com. 5 NS ns2.restocarpediem.com.
Authority
The response has no authority records.
Additional
ns1.restocarpediem.com. 5 A 23.137.139.22
ns2.restocarpediem.com. 5 A 23.137.139.26
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0