Domain is transfered to CF, but NS is still on google ns and DNSSEC is enable. And domain is already removed from SquareSpace dashboard, I can’t change NS to CF’s NS
Domains need to be active on Cloudflare (using Cloudflare nameservers) before you transfer the domain to Cloudflare Registrar. Something has gone wrong here in allowing you to do a transfer, and it completing, without the Cloudflare nameservers in place beforehand… https://cf.sjr.org.uk/tools/check?4f2fa21da3ab4a759d44f16e005e2cc4#whois