做了很多年的伸手党，去年做一个项目需要收集域名的信息，其中就要查询CDN解析记录，然后就有了这个工具，可以查询指定域名一定时间的CDN缓存，源代码使用mono环境编写的C#，可以直接逆向，我就不贴代码了。E文很烂，主要是防止乱码，凑合看吧。
以下是执行结果
===================================================
Cdn2B v1.0.0
By 4tom.
2015.08.12
Copyright(c)2015 MYTH-CN
===================================================
[+] set targetURL: www.csdn.com
[+] start search.
[=] get web data. 03.700 seconds
[+] get web data finish.
[===================Network=======================]
Site http://www.csdn.com
Domain csdn.com
IP Address 101.201.172.229
Domain registrar <span class='unavailable'>unknown</span>
Organisation <span class='unavailable'>unknown</span>
Netblock Owner Aliyun Computing Co., LTD
Nameserver f1g1ns1.dnspod.net
DNS admin freednsadmin@dnspod.com
Reverse DNS unknown
Nameserver organisation
DNS Security Extensions unknown
[===============Hosting History===================]
Netblock owner
Aliyun Computing Co., LTD 5F, Builing D, the West Lake International Plaza of ST No.391 Wener Road, Hangzhou, Zhejiang, China, 310099
IP address 101.201.172.229
OS Linux
Web server openresty
Last seen 9-Dec-2015
Netblock owner
Beijing Capitalonline Data Service Co.,LTD Rm.16c,Bldg.2A,Jinyuan times business Centre, No.2,Landianchang-East Rd., Haidian District,Beijing
