bind caching dns

Warren Kumari warren at
Tue May 15 14:47:15 UTC 2012

On May 15, 2012, at 4:05 AM, Ben wrote:

> Hi,
> Any clue to resolve this.

Lets see...

You posted a question on May 8th asking for some assistance. You worded your initial question poorly, but within 2 hours you got a complete and well written response from Matthew (and less than 24 hours after asking Eivind provided additional info).

5 days later you finally responded, and then less then 24 hours after that are surprised that you haven't gotten a response yet?

> BR
> Ben
>> Hi Matthew,
>> Sorry for late response.I enabled statistics-channel , and it gives web based output.What is caching hit ratio filed , i mean which option / filed tell us about how many queries comes from cache or...?

Anyway, if you search google for "bind caching hit ratio", the very first result gives you the answer...


>> BR
>> Ben
>>> On 08/05/2012 10:09, Ben wrote:
>>>> I am new with bind.I am trying to configure bind as caching server for
>>>> our network.I configure it and it works successfully.
>>>> Can we get report or statistics something which shows which queries
>>>> resolved from cache and which resolved from internet?
>>> Yes. Add a section something like this (adapt for your own IP range and
>>> whatever port number you prefer):
>>> statistics-channels {
>>>     inet   port 8080 allow { trusted; };
>>>     inet 2001:db8::1 port 8080 allow { trusted; };
>>> };
>>> where 'trusted' is an ACL defining what IPs should be allowed to access
>>> the statistical data.  You can now make HTTP queries like so:
>>> which will get you an XML document containing many statistics about the
>>> performance of your named instance.  If you ever decide to set up an
>>> authoritative server, you might consider adding 'zone-statistics yes;'
>>> in the options { } section, but this doesn't make any difference to
>>> recursive-only resolvers.
>>>> bind has snmp mib for monitoring ?
>>> Not to my knowledge.  It should be possible to write an agentx plugin
>>> that translates from the XML data provided natively, but you'll have to
>>> write your own MIBs since the standard one from RFC1612 seems to have
>>> received little development since.  Indeed RFC3197
>>> ( tells a cautionary tale.
>>>    Cheers,
>>>    Matthew
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