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 fv3jq742ifga851p7194su44p4abjp9i.storagefactory.io is not the root of its zone.
Instead, try zone transfer on storagefactory.io .
Instead, try zone transfer on storagefactory.io .