OFFTOPIC: Bind resolution oddity

Alex Broens ms-list at alexb.ch
Mon Mar 30 16:50:54 IST 2009


Update:

not all of spammy's NS resolve.

so that explains... oh well.

On 3/30/2009 5:33 PM, Alex Broens wrote:
> Replying to myself after ppl clueign me in
> (Thanks SteveF and DallasE)
> 
> "the spammers block queries to the authority..."
> 
> 
> 
> 
> 
> On 3/30/2009 4:44 PM, Alex Broens wrote:
> 
>> This is for those using Bind as resolvers and NOT forwarding queries 
>> to some DNS down the line.
>>
>> pls run
>>
>> dig NS yucdedag . cn
>>
>> (remove spaces in domain name)
>>
>> If using Bimd for recursing it should timeout.
>>
>> If you're using pdns-recursor your should be able to resolve.
>> If you're using Bind and some BSD you should be able to resolve
>>
>> I have been able to reproduce on Centos 5.x / latest Ubuntu
>>
>> trying to find out if other distros do it as well, if its a one off, 
>> or what the heck is going on.
>>
>>
>> Any Comments/Feedback appreciated.
>>
>>
>> Alex


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