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 adsl-75.176.58.251.tellas.gr is not the root of its zone.
Instead, try zone transfer on 176.58.251.tellas.gr .
Instead, try zone transfer on 176.58.251.tellas.gr .