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Dnsyo – A DNS propogation tester

Looks like a handy little tool if you’re in the website business, and it even has a pithy one-line description:

In short, it’s nslookup, if nslookup queried over 1500 servers and collated their results.

Bonus points for being open source and installable via pip.

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Google DNS Will Probably Be Fine, Guys

I have a feeling Kottke’s analysis is pretty spot-on: every tenth of a second longer a site takes to load, Google is losing revenue from ads. That might seem nuts to you or I, but Google isn’t exactly in the same ballpark, scale-wise, the stuff you and I work on:

Half a second delay caused a 20% drop in traffic. Half a second delay killed user satisfaction.

For the Google behemoth .5 seconds is a serious problem, and with Google DNS they’re trying to whittle that down as much as possible. Do I trust them? Not really. Do I need to? Not really. I can change my DNS whenever I want, and so can you, and Google’s DNS privacy policy seems, as Gruber put it, utterly reasonable.