Google Code Blog: A proposal to extend the DNS protocol

By Daniel Miessler on February 2nd, 2010: Tagged as Technology
Our proposed DNS protocol extension lets recursive DNS resolvers include part of your IP address in the request sent to authoritative nameservers. Only the first three octets, or top 24 bits, are sent providing enough information to the authoritative nameserver to determine your network location, without affecting your privacy.
via googlecode.blogspot.com

Sounds neat.

Posted via web from danielmiessler.com | posterous

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View Comments

  • aid
    Nope, sounds like a disaster for DNS caching.

    Nor is it necessary to solve the stated problem. Google have a world wide network - they can return a single A record to all users and then have their multiple server farms distributed around the world replying for that same address. This will properly terminate users based upon actual routing rather than where their IP addresses are registered.
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