My DNS doesn't work – Cloudflare Help Center
support.cloudflare.com › hc › en-usDNS resolution failures occur if DNSSEC is not disabled at your domain provider before you add the domain to Cloudflare. Nameservers no longer point to Cloudflare If you manage DNS records via the DNS app in Cloudflare's Dashboard and your domain stops pointing to Cloudflare's nameservers, DNS resolution will break.