Apex domains cannot have CNAME records.
Question and response
Question
dig webhotel.net. NS
Answer
webhotel.net. 2 NS ns3.webhotel.net.
webhotel.net. 2 NS ns3.inforce.dk.
webhotel.net. 2 NS ns2.webhotel.net.
webhotel.net. 2 NS ns1.inforce.dk.
webhotel.net. 2 NS ns2.inforce.dk.
webhotel.net. 2 NS ns1.webhotel.net.
Authority
The response has no authority records.
Additional
ns1.webhotel.net. 2 A 217.30.38.181
ns2.webhotel.net. 2 A 217.30.38.27
ns3.webhotel.net. 2 A 217.30.38.30
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0