# File ../../auditor/lib/kasp_auditor/auditor.rb, line 275
    def get_subdomain_to_load(last_rr)
      return "" if (!last_rr)
      subdomain = last_rr.name
      subdomain = lose_n_labels(subdomain, @soa.name.labels.length)
      subdomain = subdomain.labels()[subdomain.labels.length() - 1]
      return subdomain
    end