nanog mailing list archives

Re: Hey, SiteFinder is back, again...


From: Phil Regnauld <regnauld () catpipe net>
Date: Mon, 5 Nov 2007 17:05:38 +0100


Andrew Sullivan (andrew) writes:

The last time I heard a discussion of this topic, though, I heard
someone make the point that there's a big difference between
authority servers and recursing resolvers, which is the same sort of
point as above.  That is, if you do this in the authority servers for
_any_ domain (., .com, .info, or .my.example.org for that matter),
it's automatically evil, because of the meaning of "authority".  One
could argue that it is less evil to do this at recursive servers,
because people could choose not to use that service by installing
their own full resolvers or whatever.  I don't know that I accept the
argument, but let's be clear at least in the difference between doing
this on authority servers and recursing resolvers.

        Fully agreed.  In some ways, if your ISP is stupid enough to want
        to do this, and they don't ever want to return NXDOMAIN to their
        customer's resolvers, and their ToS specify that they do it, well,
        they're welcome.

        But the moment you start to mess around with the authority that is
        being delegated to you, then it's Evil.

        I think ICANN should probably come out and specify that doing
        wildcard matchin on TLD delegations is Not A Good thing.

        Phil


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