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Subject: Re: [gentoo-user] Best caching dns server?
From: Adam Carter <adamcarter3@gmail.com>
To: gentoo-user@lists.gentoo.org
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> Which is the best caching dns server? I'm presently using pdns-recursor,
> which is quite good, but doesn't have option to set minimum ttl (doesn't
> make sense, but some sites like twitter have ridiculously low ttl of 30s).
The load balancing technology will be slow to respond if the TTLs are
high, so given that responsive load balancing and timely fail over are
good things, it does make sense. IIRC the F5 default is 20 seconds. Be
careful if you are going to break DNS, there may be consequences
you're not aware of.
> Also, it isn't able to save cached entries to file so that it can be
> restored on next boot. Any option?
>
> I am keeping my box 24x7 on because it serves as dns on my small home wifi,
> not acceptable to me, because network is almost off at night (only phone)
> and I have my router as secondary dns.
Can you re-phrase that? - its hard to understand what the problem is.