Apex domains cannot have CNAME records.
Question and response
Question
dig iland.net. NS
Answer
iland.net. 4 NS ns2.iland.net.
iland.net. 4 NS ns3.iland.net.
Authority
The response has no authority records.
Additional
ns2.iland.net. 4 A 204.87.167.21
ns3.iland.net. 4 A 204.87.167.25
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0