这里使用了两个接口来反查IP，分别是“站长工具”和“爱站”的接口，两者各有千秋，结合起来查询就较为准确了。
注：我目前只写了个初始版本，还不太完善，但是可以基本使用了，代码中关键地方有注释，所以我就不多解释了
算法核心：
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package
NmapTest;
import
java.io.BufferedReader;
import
java.io.IOException;
import
java.io.InputStream;
import
java.io.InputStreamReader;
import
java.io.OutputStream;
import
java.net.HttpURLConnection;
import
java.net.MalformedURLException;
import
java.net.URL;
import
java.util.HashSet;
import
java.util.Set;
import
java.util.regex.Matcher;
import
java.util.regex.Pattern;
public
class
SearchDomainByIP {
/**
* IP反查（旁站查询），综合两个接口的结果
* @param ip 待查IP
*
* @return 返回结果集
* */
public
Set<String> getDomains(String ip){
Set<String> set =
new
HashSet<String>();
set = getDomainByChinaz(searchDomainByChinaz(ip));
//chinaz接口
try
{
String[] domainByAiZhan = searchDomainByAiZhan(ip,
1
,
false
).split(
" "
);
//aizhan接口
for
(String s : domainByAiZhan){
if
(!s.equals(
""
))
set.add(s);
}
}
catch
(IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return
set;
}
/**
* 使用站长工具的接口，IP反查域名
* @param ip 待查IP
*
* @return 返回包含结果的字符串
* */
private
String searchDomainByChinaz(String ip){
try
{
URL url =
new
URL(
"http://s.tool.chinaz.com/same"
);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod(
"POST"
);
connection.setRequestProperty(
"Content-Type"
,
"application/x-www-form-urlencoded"
);
connection.setDoInput(
true
);
connection.setDoOutput(
true
);
connection.setUseCaches(
false
);
String str =
"s="
+ ip;
//POST参数
OutputStream outputStream = connection.getOutputStream();
outputStream.write(str.getBytes(
"UTF-8"
));
outputStream.flush();
//开始请求
outputStream.close();
//返回数据包
if
(connection.getResponseCode() ==
200
){
InputStream inputStream = connection.getInputStream();
BufferedReader reader =
new
BufferedReader(
new
InputStreamReader(inputStream));
String line =
""
;
String reg =
"\\s*<ul><li><span>1.</span>(.*)?"
;
//匹配到目标行
while
((line = reader.readLine()) !=
null
){
if
(line.matches(reg)){
inputStream.close();
reader.close();
connection.disconnect();
return
line.replaceFirst(
"\\s*<ul><li><span>1.</span>"
,
""
);
//返回包含目标的字符串
}
}
}
}
catch
(MalformedURLException e) {
e.printStackTrace();
}
catch
(IOException e) {
e.printStackTrace();
}
return
""
;
}
/**
* 正则匹配出需要的一个个域名
* @param data 包含所有结果的字符串
*
* @return 目标域名的List集合
* */
private
Set<String> getDomainByChinaz(String data){
String reg =
"target=_blank>(.*?)</a></li>"
;
//准确匹配出查到的域名
Pattern pattern = Pattern.compile(reg);
Matcher matcher = pattern.matcher(data);
Set<String> set =
new
HashSet<String>();
while
(matcher.find()){
set.add(matcher.group(
1
));
}
return
set;
}
/**
* 使用爱站网的接口，IP反查域名
* @param ip 待查IP
* @param currentPage 当前页
* @param checkNum 判断域名总数是否已获取
*
* @return 返回包含结果的字符串
* @throws IOException
* */
private
String searchDomainByAiZhan(String ip,
int
currentPage,
boolean
checkNum)
throws
IOException{
URL url =
new
URL(
"http://dns.aizhan.com/"
+ ip +
"/"
+ currentPage +
"/"
);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod(
"GET"
);
connection.setConnectTimeout(
10000
);
//毫秒
connection.setReadTimeout(
10000
);
InputStream inputStream = connection.getInputStream();
BufferedReader reader =
new
BufferedReader(
new
InputStreamReader(inputStream));
String line =
""
;
String numReg =
"共有 <font color=\"#FF0000\" id=\"yhide\">(\\d*)?</font> 个域名解析到该IP"
;
String domainReg =
"\\s*<td class=\"dns-links\">\\s*"
;
//匹配到目标行的上一行
int
domainNumber =
0
;
//查到的域名总数
String domainNames =
""
;
//查到的所有域名的字符串集
boolean
point =
false
;
//从false置为true时，表示已经找到目标行的上一行了，下一次循环即可取出目标行
Pattern pattern = Pattern.compile(numReg);
Matcher matcher =
null
;
while
((line = reader.readLine()) !=
null
){
//查域名总数
if
(!checkNum){
matcher = pattern.matcher(line);
if
(matcher.find()){
domainNumber = Integer.valueOf(matcher.group(
1
));
checkNum =
true
;
}
}
//查域名
if
(point){
pattern = Pattern.compile(
"target=\"_blank\">(.*)?</a>"
);
matcher = pattern.matcher(line);
if
(matcher.find()){
// System.out.println(matcher.group(1));
domainNames = domainNames + matcher.group(
1
) +
" "
;
point =
false
;
}
}
else
if
(line.matches(domainReg)){
point =
true
;
}
}
inputStream.close();
reader.close();
connection.disconnect();
//如果当前页下一页还有内容，则进行递归调用查询
if
(domainNumber > (
20
* currentPage)){
try
{
Thread.sleep(
1000
);
//线程休息1秒钟
}
catch
(InterruptedException e) {
e.printStackTrace();
}
return
domainNames + searchDomainByAiZhan(ip,currentPage+
1
,
true
);
}
else
{
return
domainNames;
}
}
}
|
调用测试：
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package
NmapTest;
import
java.util.HashSet;
import
java.util.Iterator;
import
java.util.Set;
public
class
Domains {
/**
* @param args
*/
public
static
void
main(String[] args) {
SearchDomainByIP searchDomain =
new
SearchDomainByIP();
Set<String> set =
new
HashSet<String>();
set = searchDomain.getDomains(
"162.211.183.152"
);
Iterator<String> iterator = set.iterator();
System.out.println(
"一共查到 "
+ set.size() +
"个旁站"
);
while
(iterator.hasNext()){
System.out.println(iterator.next());
}
}
}
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输出：
一共查到 55个旁站
www.anhao.ga
www.3ga.cc
www.xiaotwl.cn
wapfeih.com
www.52zyw.net
lgdyw.pw
xxin888.com
www.hksf-expres.com
www.zbhz.top
yk666.cn
www.mfdhw.cn
danshenwl.com
qq67.cn
gjdc.cc
www.5x2y0.com
www.wz288.com
wapzx.org
85pj.cn
www.txbk.cc
yajie520.com
www.wuyunzhu.top
huanyan520.com
lequk.com
www.ddcd.net
ail.so
3pojie.com
www.hacksg.com
www.yin361.cn
www.wapfeih.com
xg-sfkd.com.cn
www.xuexi47.cn
www.huaxia47.com
wz288.com
www.sucaiziyuan.com
wapsog.com
qm6.cc
www.58dh.cn
hacksg.com
zhuilixiang.com
www.xhhzyw.com
www.360360.pw
www.495o.com
surfs.cn
shineky.cn
www.danshenwl.com
52daizi.com
www.hei-tan.com
xg-sfg.cn
www.qqjudian.com
sucaiziyuan.com
moran.cc
lghk.pw
www.huanyan520.com
hongbao.qq.com.mooyu.pub
lexunc.com
PS:通过IP反查域名本身就没有确定的算法，因此有误差再所难免。这也是我使用两个不同接口来查询的意义所在，可以互相弥补，使结果更加精确
本文转自 pangfc 51CTO博客，原文链接：http://blog.51cto.com/983836259/1719263，如需转载请自行联系原作者
