North American Network Operators Group

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Re: Interesting new dns failures

  • From: Suresh Ramasubramanian
  • Date: Thu May 24 22:56:27 2007
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On 5/25/07, John LaCour <[email protected]> wrote:
If you're an network operator and you'd consider null routing IPs
associated with nameservers used only by phishers, please let me know
and we'll be happy to provide the appropriate evidence.

Half of them are on fastflux so nullroutes wouldnt help. Some mailservers (recent postfix) allow you to block by NS, or there's always the good old expedient of bogusing these out in your bind resolver config, or serving up a fake zone for them.

--
Suresh Ramasubramanian ([email protected])