192-40-30-131.YYZ.ptr.as19651.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 192-40-30-131.YYZ.ptr.as19651.net is not the root of its zone.
Instead, try zone transfer on as19651.net .