_ad660bae1e8ec9cdeb8b8fbf0ae86237.jzckvmdcqj.acm-validations.aws 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 _ad660bae1e8ec9cdeb8b8fbf0ae86237.jzckvmdcqj.acm-validations.aws is not the root of its zone.
Instead, try zone transfer on jzckvmdcqj.acm-validations.aws .