[dns-operations] The possible problems after May 5th

[Rick Jones]

Matthew Dempsky wrote:
> On Thu, Apr 8, 2010 at 6:35 AM, bert hubert <bert.hubert at netherlabs.nl> wrote:
> 
>>Try it. Block UDP for your resolver and see how far you get.
> 
> 
> For fun, I patched dnscache to only send queries over TCP and then
> tried resolving a bunch of popular domain names with it.  I tested the
> first 60 entries in Alexa's top domains and was unable to resolve the
> following names:
> 
> www.live.com
> www.baidu.com
> www.msn.com
> www.qq.com
> www.taobao.com
> www.myspace.com
> www.microsoft.com
> www.bing.com
> www.ebay.com
> www.fc2.com
> www.soso.com
> www.conduit.com
> www.aol.com
> www.bbc.co.uk
> www.apple.com
> www.youku.com
> www.ask.com
> 
> I also tried a bunch of other names that randomly came to mind, and
> found these didn't resolve either:
> 
> www.nytimes.com
> www.latimes.com
> www.bing.com
> www.cnn.com
> www.msnbc.com
> www.foxnews.com
> www.fox.com
> www.myspace.com
> www.redhat.com
> www.akamai.com
> www.alterslash.org
> www.reddit.com
> www.usnews.com
> www.upenn.edu
> www.rice.edu
> www.oracle.com
> www.qualcomm.com
> www.alcatel-lucent.com
> 
> So whatever the state of DNS over TCP support in software may be, the
> DNS servers for a large number of popular websites at least don't
> currently have it enabled.

I realize it is probably terribly quixotic to suggest, but email to webmaster@ 
and hostmaster@ each of those domains?  Perhaps that will help preclude being on 
the front-page of the newspaper (since that will be the only things for which 
some will be able to reach otherwise :) on May 6th?

rick jones