Apex domains cannot have CNAME records.
Question and response
Question
dig zahav.net.il. NS
Answer
zahav.net.il. 4 NS ns0082.secondary.cloudflare.com.
zahav.net.il. 4 NS ns0177.secondary.cloudflare.com.
zahav.net.il. 4 NS pdns.goldenlines.net.il.
zahav.net.il. 4 NS ns3.secondary.cloudflare.zahav.net.il.
zahav.net.il. 4 NS sdns.goldenlines.net.il.
zahav.net.il. 4 NS ns4.secondary.cloudflare.zahav.net.il.
Authority
The response has no authority records.
Additional
ns3.secondary.cloudflare.zahav.net.il. 4 A 162.159.5.239
ns4.secondary.cloudflare.zahav.net.il. 4 A 162.159.6.238
pdns.goldenlines.net.il. 4 A 212.117.129.3
sdns.goldenlines.net.il. 4 A 212.117.128.6
ns0082.secondary.cloudflare.com. 5 A 162.159.32.83
ns0177.secondary.cloudflare.com. 5 A 162.159.33.52
ns0082.secondary.cloudflare.com. 5 AAAA 2606:4700:51:0:0:0:a29f:2053
ns0177.secondary.cloudflare.com. 5 AAAA 2606:4700:59:0:0:0:a29f:2134
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0