Posted by: Anonymous Coward
on February 01, 2007 05:51 PM
If they're redirecting requests for non-existent domains to their ad server, that's exactly like VeriSign's service. Yes, this one is "opt-in" instead of "the whole world must use it", but it still has the same fundamental problem of turning every domain in the world into a domain that exists.
Also, the reporting is just shoddy... As others have pointed out, DNS does nothing to reduce ping times, and further "dig -x" is for looking up PTR records (by automatically doing the 1.2.3.4 to 4.3.2.1.in-addr.arpa conversion for you), not A records (which is what news.com would resolve to).
The only argument I actually buy is that it might allow sites with lots of ads to load faster because it has all the ad server addresses cached already.
On the other hand, a lot of content delivery services rely on your ISP's IP address to know roughly where you are, so they know which content server their globally load-balanced DNS should tell you to go to. With OpenDNS, you'll get the content server closest to the OpenDNS cluster, which is probably not a good thing if you're in Asia and there's a local content delivery server (because you'll get the content from the US instead of your near-by server).
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Breaks anti-spam and other NX domain tests
Posted by: Anonymous Coward on February 01, 2007 05:51 PMAlso, the reporting is just shoddy... As others have pointed out, DNS does nothing to reduce ping times, and further "dig -x" is for looking up PTR records (by automatically doing the 1.2.3.4 to 4.3.2.1.in-addr.arpa conversion for you), not A records (which is what news.com would resolve to).
The only argument I actually buy is that it might allow sites with lots of ads to load faster because it has all the ad server addresses cached already.
On the other hand, a lot of content delivery services rely on your ISP's IP address to know roughly where you are, so they know which content server their globally load-balanced DNS should tell you to go to. With OpenDNS, you'll get the content server closest to the OpenDNS cluster, which is probably not a good thing if you're in Asia and there's a local content delivery server (because you'll get the content from the US instead of your near-by server).
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