String generatedPhrase = "some string"
                    String domain = generatedPhrase + " more";
                    Socket s = null;
                try {


                          s = new Socket("domain.com", 55);
                          InputStream in = s.getInputStream();
                          InputStreamReader isr = new InputStreamReader(in);
                          OutputStream out = s.getOutputStream();
                          byte buf[] = domain.getBytes();
                          out.write(buf);

                          BufferedReader bf = new BufferedReader(isr);
                          String temp;
                          while ((temp = bf.readLine()) != null) {
                              if (temp.startsWith("No match for")) {
                                  System.out.println("vacant ============================" + domain);
                              }
                          }





                } catch (UnknownHostException ex) {
                    Logger.getLogger(Bruteforcer.class.getName()).log(Level.SEVERE, null, ex);
                } catch (IOException ex) {
                    Logger.getLogger(Bruteforcer.class.getName()).log(Level.SEVERE, null, ex);
                } catch (Exception ex) {
                    Logger.getLogger(Bruteforcer.class.getName()).log(Level.SEVERE, null, ex);
                }finally{
                  try {
                      s.close();
                  } catch (IOException ex) {
                      Logger.getLogger(Bruteforcer.class.getName()).log(Level.SEVERE, null, ex);
                  }
                }