Apex domains cannot have CNAME records.
Question and response
Question
dig THEBLIND.NET. NS
Answer
THEBLIND.NET. 1 NS theo.ns.cloudflare.com.
THEBLIND.NET. 1 NS galilea.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
theo.ns.cloudflare.com. 2 A 108.162.193.144
theo.ns.cloudflare.com. 2 A 172.64.33.144
theo.ns.cloudflare.com. 2 A 173.245.59.144
galilea.ns.cloudflare.com. 2 A 108.162.194.233
galilea.ns.cloudflare.com. 2 A 162.159.38.233
galilea.ns.cloudflare.com. 2 A 172.64.34.233
theo.ns.cloudflare.com. 2 AAAA 2606:4700:58:0:0:0:adf5:3b90
theo.ns.cloudflare.com. 2 AAAA 2803:f800:50:0:0:0:6ca2:c190
theo.ns.cloudflare.com. 2 AAAA 2a06:98c1:50:0:0:0:ac40:2190
galilea.ns.cloudflare.com. 2 AAAA 2606:4700:50:0:0:0:a29f:26e9
galilea.ns.cloudflare.com. 2 AAAA 2803:f800:50:0:0:0:6ca2:c2e9
galilea.ns.cloudflare.com. 2 AAAA 2a06:98c1:50:0:0:0:ac40:22e9
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0