Apex domains cannot have CNAME records.
Question and response
Question
dig 012.net. NS
Answer
012.net. 1 NS sdns.goldenlines.net.il.
012.net. 1 NS pdns.goldenlines.net.il.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0