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 _f708c7a7a873ec08ac11b2d5e3fed9ef.auiqqraehs.acm-validations.aws is not the root of its zone.
Instead, try zone transfer on auiqqraehs.acm-validations.aws .
Instead, try zone transfer on auiqqraehs.acm-validations.aws .