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 f3gaj7fka2b72ahufo56io3074pi5jka.storagefactory.io is not the root of its zone.
Instead, try zone transfer on storagefactory.io .
Instead, try zone transfer on storagefactory.io .