cloudflare.cdn.web.prd.q4inc.com.cdn.cloudflare.net. IXFR zone transfer

Changes since SOA version

IXFR is a zone transfer request that returns changes since a specific SOA version. Enter the SOA version to request changes since then.

Not an apex domain The domain cloudflare.cdn.web.prd.q4inc.com.cdn.cloudflare.net. is not the root of its zone.
Instead, try zone transfer on cloudflare.net .