DBD255F6-8364-11E9-A6C4-1724936C0A89._domainkey.aster.net.do AXFR zone transfer

Not an apex domain The domain DBD255F6-8364-11E9-A6C4-1724936C0A89._domainkey.aster.net.do is not the root of its zone.
Instead, try zone transfer on aster.net.do .