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 a09d7844a5969c65b6368740ea2b6105.conectinfo.net.br is not the root of its zone.
Instead, try zone transfer on conectinfo.net.br .
Instead, try zone transfer on conectinfo.net.br .