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 K3VKF6V7R0OL5QS147G347FOT1R1T3KP.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 .