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 qro-youcom-pop-to-r5-ezequiel-montes.wantelco.com is not the root of its zone.
Instead, try zone transfer on wantelco.com .
Instead, try zone transfer on wantelco.com .