Re: caching-namserver

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Steffen Kluge:
>> The cache is kept in memory, but you dump it's contents to file with
>> "rndc dumpdb". The file will be named named_dump.db, and
>> lives /var/named/var/named.

Here, it ended up at:  /var/named/chroot/var/named/data/cache_dump.db

Bob Goodwin: 
> Interesting, an ascii file, it certainly contains a lot more addresses
> than I imagined it would!

Every website that you visited will have left some data in the cache (up
until it's expiry time), likewise for any external information that they
referenced (off-site adverts, etc.), same again for mail you've
received, even more so if you have anti-spam software that checks upon
the headers and content of mail.

> How to interpret the data it provides is the question? 

Well, you can see DNS addresses and associated IP addresses, the type of
record (NS - name server, A - a record, etc.).  I'm guessing the number
left of the type would be a time to live (expires/expunged afterwards),
as it tallies with some TTL figures for same domain names later on.
Other stuff would require more research to work out.

> I guess all those addresses are available via "caching-nameserver?"

That depends on what you mean.  If you meant that installing the
caching-nameserver included those details, no.  If you meant that your
nameserver, now, had those details in memory, yes (that's where they cam

(Currently running FC4, occasionally trying FC5.)

Don't send private replies to my address, the mailbox is ignored.
I read messages from the public lists.

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