A quick introduction to PDNSD

A few months ago, back while getting ArchLinux set up on my main system, I stumbled across a very nice piece of software. It is a DNS server proxy which will cache it’s results for near instant DNS lookups after the first. The software I am speaking of is pdnsd. The arch wiki has a very detailed guide to installing and configuring the software, a link is provided at the bottom.

After using this software for some time, I can say it seems to make my internet access a little snappier. Of course actual download speeds aren’t effected, but once a site is in the DNS cache I can sometimes get almost a quarter of a second quicker on the DNS lookup. It just makes the internet feel a little more responsive and leaves me overall feeling pleased with it’s performance.

One thing I do have to mention. I use network manager to access my wireless network and I had pdnsd set up properly for a while, but network manager was setup to use whatever dhcp provided. The issue wasn’t totally apparent at first, but all remaining bits of lag in Firefox seemed to disappear after I changed that setting.

Is there anyone else who regularly uses pdnsd, or another dns cache system? I’ve tried a few others without satisfactory results as with pdnsd so any feedback would be interesting to hear.

pdnsd homepage
Arch wiki – pdnsd

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