Apex domains cannot have CNAME records.
Question and response
Question
dig nordicpeak.com. NS
Answer
nordicpeak.com. 5 NS dns2.nordicpeak.se.
nordicpeak.com. 5 NS dns1.nordicpeak.se.
nordicpeak.com. 5 NS dns3.nordicpeak.se.
Authority
The response has no authority records.
Additional
dns1.nordicpeak.se. 5 A 46.59.104.11
dns2.nordicpeak.se. 5 A 46.59.104.12
dns3.nordicpeak.se. 5 A 5.150.254.241
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0