code: public static ResourceRecordSet<AData> a(String name, String address) {
      return new ABuilder().name(name).add(address).build();
    }
docs: creates a set of a single {@link denominator.model.rdata.AData A} record for the specified
  name.
  
  @param name    ex. {@code www.denominator.io.}
  @param address ex. {@code 192.0.2.1}