RT-ESCRITORIO-WZNET-MCB.corp.wznet.com.br IXFR zone transfer

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 RT-ESCRITORIO-WZNET-MCB.corp.wznet.com.br is not the root of its zone.
Instead, try zone transfer on corp.wznet.com.br .