code: public static String whois(String domain) throws IOException, XPathExpressionException,
              ParserConfigurationException {
          String whois = evaluate(ValueConsts.WHOIS_DOMAIN_XPATH, getHtmlFromUrl("http://whois.chinaz.com/" + domain));
          return whois.replaceAll("\\[whois\\s?反查]", ValueConsts.EMPTY_STRING).replaceAll("\\s{2,}", "\r\n");
      }
docs: whois查询
  
  @param domain 域名
  
  @return whois信息
  
  @throws IOException 异常
  @throws XPathExpressionException 异常
  @throws ParserConfigurationException 异常