ec2-15-237-152-182.eu-west-3.compute.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 ec2-15-237-152-182.eu-west-3.compute.amazonaws.com is not the root of its zone.
Instead, try zone transfer on eu-west-3.compute.amazonaws.com .