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 Oi-Load-Balancer-1694103417.sa-east-1.elb.amazonaws.com is not the root of its zone.
Instead, try zone transfer on sa-east-1.elb.amazonaws.com .
Instead, try zone transfer on sa-east-1.elb.amazonaws.com .