Bugtraq mailing list archives
International DNS compromise?
From: Zhen Shi <zhenshi99 () yahoo com>
Date: Wed, 4 Aug 2004 22:11:01 -0700 (PDT)
Dear all, Recently I noticed something fishy in the DNS system between US and China. First, any IPs, dead or live, in China will respond to your DNS query for some domains. For example (screen shot with some clean-up and comments): C:\>nslookup
server 210.77.0.0 <=== pick a random IP in
China Default Server: [210.77.0.0] Address: 210.77.0.0
www.rfa.org
Server: [210.77.0.0] Address: 210.77.0.0 Non-authoritative answer: Name: www.rfa.org Address: 203.105.1.21 <=== you got response!!!! Second, every time the response is different:
www.rfa.org
Server: [210.77.0.0] Address: 210.77.0.0 Non-authoritative answer: Name: www.rfa.org Address: 64.66.163.251
www.rfa.org
Non-authoritative answer: Name: www.rfa.org Address: 64.33.99.47
www.rfa.org
Non-authoritative answer: Name: www.rfa.org Address: 128.121.126.139 Third, you can even get response from non-exist host names:
nosuchhost.rfa.org
Server: [210.77.0.0] Address: 210.77.0.0 Non-authoritative answer: Name: nosuchhost.rfa.org Address: 65.104.202.252
nosuchhost.rfa.org
Non-authoritative answer: Name: nosuchhost.rfa.org Address: 64.33.99.47 What on earth is really going on here? It seems the DNS system is messed up between US and China, and its integrity is compromised. People can be unknowingly redirected to any where ... --Zhen __________________________________ Do you Yahoo!? Take Yahoo! Mail with you! Get it on your mobile phone. http://mobile.yahoo.com/maildemo
Current thread:
- International DNS compromise? Zhen Shi (Aug 05)
- Re: International DNS compromise? john (Aug 05)
- Re: International DNS compromise? John Kinsella (Aug 05)
- <Possible follow-ups>
- Re: International DNS compromise? Troy (Aug 05)
- Re: International DNS compromise? Rio Martin. (Aug 06)
- Re: International DNS compromise? Danny (Aug 06)
- Re: International DNS compromise? John F. Waymouth (Aug 06)
- RE: International DNS compromise? travis . alexander (Aug 05)
- RE: International DNS compromise? Troy Monaghen (Aug 06)
- Re: International DNS compromise? bill (Aug 06)
- RE: International DNS compromise? Mike Clark (Aug 06)
(Thread continues...)