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On May 19, 2012 6:46 PM, "Dale" <rdalek1967@×××××.com> wrote: |
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> |
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> Willie Matthews wrote: |
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> > |
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[le snip] |
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> > |
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> > You should really try changing you DNS server to some faster ones. I was |
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> > having this same problem with my ISP or DSL modem with built in router |
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> > taking a long time. I changed my DNS servers to Google DNS Servers |
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> > (8.8.4.4 and 8.8.8.8) and haven't had a problem. |
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> > |
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> > My setup is a little different but all in all I would really suggest you |
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> > try a DNS server outside of your ISP. |
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> > |
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> |
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> |
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> I agree. My ISP is AT&T and I changed my DNS to Google's too. It is |
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> very fast compared to AT&T's servers. I have had AT&T's servers not |
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> respond for several seconds but Google's just seem to work. |
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> |
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Here's the result of a test comparing the performance of public DNS servers |
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: |
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http://www.thousandeyes.com/blog/public-dns-resolver-showdown |
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Despite what the linked article said, in my experience, Level 3 |
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(4.2.2.[1-5]) is at least as fast as Google. I guess it depends on one's |
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ISP. But both of them are mucho faster (and much stabler) than my ISP's DNS |
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servers. |
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But stay away from OpenDNS like the plague. They are known to perform false |
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resolve, especially if the domain being resolved does not exist. |
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Best of all would be to create a list of public DNS servers, and feed it |
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into a DNS Benchmarking tool, such as this one from GRC: |
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http://www.grc.com/dns/benchmark.htm |
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The above tool is how I determine Level 3 to be on a par with Google. |
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(Sorry, the GRC Tool is Windows-only, but within the article there's an |
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explanation on how the tool works, so it should be emulatable using bash |
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and dig). |
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Rgds, |