a36019cce1613424fa685d797b7e8ee2-2dd9cde0090c8974.elb.ap-southeast-1.amazonaws.com 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 a36019cce1613424fa685d797b7e8ee2-2dd9cde0090c8974.elb.ap-southeast-1.amazonaws.com is not the root of its zone.
Instead, try zone transfer on elb.ap-southeast-1.amazonaws.com .