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 sap-ingress-public-p09-alb-1456351988.eu-south-1.elb.amazonaws.com is not the root of its zone.
Instead, try zone transfer on eu-south-1.elb.amazonaws.com .
Instead, try zone transfer on eu-south-1.elb.amazonaws.com .