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 fni2fb5cnr2toibapdracn67hqc9pl6g.storagefactory.io is not the root of its zone.
Instead, try zone transfer on storagefactory.io .
Instead, try zone transfer on storagefactory.io .