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 iptv-trebng11-50dd01-228.dhcp.inet.fi is not the root of its zone.
Instead, try zone transfer on dhcp.inet.fi .
Instead, try zone transfer on dhcp.inet.fi .