Apex domains cannot have CNAME records.
Question and response
Question
dig fjordmail.no. NS
Answer
fjordmail.no. 5 NS sage.ns.cloudflare.com.
fjordmail.no. 5 NS veronica.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0