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 IHB8STR9OMFL74OPOJJKED2AEH1L4N4T.ovikenergi.net is not the root of its zone.
Instead, try zone transfer on ovikenergi.net .
Instead, try zone transfer on ovikenergi.net .