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 vut99ea804f6k4u91nb4ke30iqud8t0s.bibLIOpOlIs.infO is not the root of its zone.
Instead, try zone transfer on bibLIOpOlIs.infO .
Instead, try zone transfer on bibLIOpOlIs.infO .