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 numericable.gw.te-1-3.er2.rb.par.neotelecoms.com is not the root of its zone.
Instead, try zone transfer on neotelecoms.com .
Instead, try zone transfer on neotelecoms.com .