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 drop-07a67b78-cb71-42f9-815f-400b3c12ef34.empty.as112.arpa is not the root of its zone.
Instead, try zone transfer on empty.as112.arpa .
Instead, try zone transfer on empty.as112.arpa .