Question

[Kevin Darcy]

Brett wrote:

>"Kevin Darcy" <kcd at daimlerchrysler.com> wrote in message
>news:b0kj2l$34n7$1 at isrv4.isc.org...
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>>Brett wrote:
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>>>I fully admit I haven't done much research in to this, but in thise case
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>I'm
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>>>not quite sure what I should be looking at.
>>>
>>>I'm having some issues with DNS at the moment. My DNS setup is slightly
>>>wrong (primary and secordary points to the same system, though different
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>IP
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>>>addrs, this will change eventually...). For the most part it works
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>because
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>>>the DNS is retried multiple times, however what would cause the
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>following:
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>>>>forums.ws
>>>>        
>>>>
>>>Server:  UnKnown
>>>Address:  192.168.0.1
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>>>DNS request timed out.
>>>    timeout was 2 seconds.
>>>*** Request to UnKnown timed-out
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>>>
>>>>forums.ws
>>>>        
>>>>
>>>Server:  UnKnown
>>>Address:  192.168.0.1
>>>
>>>Name:    forums.ws
>>>Address:  66.11.167.33
>>>
>>>      
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>>>>forums.ws
>>>>        
>>>>
>>>Server:  UnKnown
>>>Address:  192.168.0.1
>>>
>>>DNS request timed out.
>>>    timeout was 2 seconds.
>>>*** Request to UnKnown timed-out
>>>      
>>>
>>>>forums.ws
>>>>        
>>>>
>>>Server:  UnKnown
>>>Address:  192.168.0.1
>>>
>>>DNS request timed out.
>>>    timeout was 2 seconds.
>>>*** Request to UnKnown timed-out
>>>      
>>>
>>>>forums.ws
>>>>        
>>>>
>>>Server:  UnKnown
>>>Address:  192.168.0.1
>>>
>>>Name:    forums.ws
>>>Address:  66.11.167.33
>>>
>>>etc etc etc. for other sites the DNS seems to be much better. Seems like
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>a
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>>>lot of time outs to me. And some implementations of SMTP (i.e. whatever
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>the
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>>>heck hotmail uses in the backend) gives up too quickly and dumps the
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>e-mail.
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>>Well, you haven't really given us a lot of information to go on here. How
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>is
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>>your nameserver configured to resolve Internet names? Does it use
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>forwarding?
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>>Do the queries have to traverse a firewall? How fast and reliable is your
>>network connection, and particularly your connectivity to the forums.ws
>>nameservers? How much capacity do you have on your nameserver? If you're
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>
>The server itself is in a telecom building in downtown toronto with a pretty
>good connection. Generally ping replies are 20ms off hours and 80ms durring
>peak hours.
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>>running on a multiprocessor box, are you running a multi-threading capable
>>version (9) of BIND? Do you have enough RAM? How busy is the box answering
>>queries?
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>Very few at the moment. 512MB ram.
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>>The only thing out of the ordinary I notice about the forums.ws domain is
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>that,
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>>although the domain is delegated to 2 nameservers, only 1 of those is
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>published
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>>in the NS records, so that one nameserver is going to get the lion's share
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>of
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>>the queries, and if it happens to get bogged down from time to time,
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>queries
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>>will time out.
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>It is the same box at the moment. It's very log traffic....
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>11:49pm  up 19 days, 11:19,  1 user,  load average: 0.09, 0.04, 0.01
>RX bytes:349699071 (333.4 Mb)  TX bytes:134219138 (128.0 Mb)
>Mem:   512900K av,  471988K used,   40912K free,       0K shrd,  120016K
>buff
>Swap: 1044216K av,       0K used, 1044216K free                  274364K
>cached
>
Okay, so it's probably not a resource problem on the box. What about the 
other questions I asked?

                                                                        
                                            - Kevin