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 194_30_105_98_CINT0002.GigNu_adsl_za_bi.ips.sarenet.es is not the root of its zone.
Instead, try zone transfer on sarenet.es .
Instead, try zone transfer on sarenet.es .