[TriLUG] Name server

Matt Pusateri mpusateri at wickedtrails.com
Sat Feb 22 18:29:58 EST 2014


I think you’d be doing a lot of work for no real reason, unless you just want to code it for the sake of coding it.  First if you have any Mac’s they cache their DNS lookups anyways.  I suspect Windows 7 does as well, but never investigated.  DNS lookups are generally fast and I’m not sure what you’re going to gain from this.  Your ISP is already caching DNS, and if you use Bind as a local DNS server on your gateway it will cache as well.  You’d be better off spending your time setting up a caching proxy server such as Privoxy or Squid.  This would cache more content if you’re family goes to similar places, and they would see more benefit from that, than a DNS cache.

Matt P.

On Feb 22, 2014, at 6:13 PM, Igor Partola <igor at igorpartola.com> wrote:

> TriLUG,
> 
> The other day I had an idea to create a name server that would be optimized for home LAN environments. Basically, it would keep track of the top 1000 most popular domains you resolve and a background thread would refresh them in the cache before they expire, ensuring that most of the time a DNS request to this server does not result in a cache miss. I think the implementation would be pretty straightforward so tomorrow I am going to give this a try. My question is whether I should implement a stub resolver or a full recurser? Is there any advantage to having a recurring name server on your LAN as long as the responses are cached?
> 
> Thanks,
> Igor
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