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 6ABC8FC0-1AFF-11EF-A757-97290FC5EF98._domainkey.etapanet.net is not the root of its zone.
Instead, try zone transfer on etapanet.net .
Instead, try zone transfer on etapanet.net .