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 _2f42521a61cf1c5b05881bad5f365ca0.branding.arnsbogroup.com is not the root of its zone.
Instead, try zone transfer on zbkrxsrfvj.acm-validations.aws .
Instead, try zone transfer on zbkrxsrfvj.acm-validations.aws .