how to check if your ISP's DNS servers are safe

[Steven M. Bellovin]

On Tue, 22 Jul 2008 10:21:14 -0400
"Perry E. Metzger" <perry at piermont.com> wrote:

> 
> Niels Provos has a web page up with some javascript that automatically
> checks if your DNS caching server has been properly patched or not.
> 
> http://www.provos.org/index.php?/pages/dnstest.html
> 
> It is worth telling people to try.
> 
Those who prefer command lines can try 

	dig +short porttest.dns-oarc.net TXT



		--Steve Bellovin, http://www.cs.columbia.edu/~smb

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