Interesting new dns failures

Suresh Ramasubramanian ops.lists at
Fri May 25 02:53:51 UTC 2007

On 5/25/07, John LaCour <johnlacour at> 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 (ops.lists at

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