Apex domains cannot have CNAME records.
Question and response
Question
dig dkdrift.se. NS
Answer
dkdrift.se. 5 NS ns3.ilait.se.
dkdrift.se. 5 NS ns1.ilait.se.
dkdrift.se. 5 NS ns2.ilait.se.
dkdrift.se. 5 NS ns4.ilait.se.
Authority
The response has no authority records.
Additional
ns1.ilait.se. 5 A 82.99.18.10
ns2.ilait.se. 5 A 94.246.96.66
ns3.ilait.se. 5 A 62.109.34.66
ns4.ilait.se. 5 A 188.40.202.3
ns1.ilait.se. 5 AAAA 2a01:2b0:301d:99:0:0:0:10
ns2.ilait.se. 5 AAAA 2a01:2b0:301d:88:0:0:0:66
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0