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 2KMEAB9URUDSUBRFDF9QQTTU9HTU7FGT.frionline.com.br is not the root of its zone.
Instead, try zone transfer on frionline.com.br .
Instead, try zone transfer on frionline.com.br .