strange resolver behavour

Eugene Grosbein egrosbein at rdtc.ru
Tue Oct 12 12:52:05 UTC 2010


On 12.10.2010 14:10, Doug Barton wrote:

>> It's a pity if we have no diagnostic utility that behaves just like
>> ordinary applications like MTA dealing with DNS... How am I supposed
>> to debug suspected MTA behavior without such utility?
> 
> Step 1, verify that your authoritative name servers have MX records in 
> the first place. As it turns out, they don't.

That is not my domain and I really don't care about
its MX records/lame delegations/etc.

I care about my resolver behavior.

> 
> The proper tool to use to diagnose DNS problems is dig. It's more 
> complex than the tools that are designed to just give you the answer, 
> but if everything were working right to start with you wouldn't need to 
> diagnose anything. See how that works? :)

Hmm, I don't want to debug DNS problems - indeed, dig is nice tool.
I need to debug system resolver that is different thing, as you know.

Eugene Grosbein


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