Apex domains cannot have CNAME records.
Question and response
Question
dig oderland.com. NS
Answer
oderland.com. 5 NS ns.oderland.net.
oderland.com. 5 NS ns.oderland.org.
oderland.com. 5 NS ns.oderland.se.
Authority
The response has no authority records.
Additional
ns.oderland.se. 5 A 46.246.43.215
ns.oderland.net. 5 A 46.16.239.153
ns.oderland.org. 5 A 193.180.19.153
ns.oderland.se. 5 AAAA 2a00:1a28:1108:b:0:0:1:53
ns.oderland.net. 5 AAAA 2a02:28f0:0:239:0:0:1:53
ns.oderland.org. 5 AAAA 2a02:28f0:101:1:0:0:1:53
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0