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 ai8tbuhfq6u4gnlvd1t27qomkgm0odbl.bibLIOpOlIs.infO is not the root of its zone.
Instead, try zone transfer on bibLIOpOlIs.infO .
Instead, try zone transfer on bibLIOpOlIs.infO .