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Google Public DNS

  • joebert
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Post December 3rd, 2009, 2:38 pm

Looks like Google is opening their own public DNS.

Quote:
http://googlecode.blogspot.com/2009/12/introducing-google-public-dns-new-dns.html
Today, as part of our efforts to make the web faster, we are announcing Google Public DNS, a new experimental public DNS resolver.


I'm not exactly sure how this can make the web faster though. :scratchhead:
Strong with this one, the sudo is.
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Post December 3rd, 2009, 2:38 pm

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Post December 3rd, 2009, 3:12 pm

PCMag has a good article that gives some clues.

Quote:
From a speed perspective, the Google DNS servers use prefetching, Google said, refreshing the record on a particular network request continuously, asychronously and independently of user requests for a large number of popular domains before the record expires. This allows Google Public DNS to serve many DNS requests in the round trip time it takes a packet to travel to our servers and back, the company claimed.

Google Public DNS was also put into place to prevent the sort of DNS poisoning attacks that were disclosed last year. The system can also prevent so-called DNS "amplification attacks" that attack the DNS server itself, and then use them to route other PCs to attack target sites in an orchestrated distributed denial-of-service attack.

http://www.pcmag.com/article2/0,2817,2356618,00.asp
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Post January 6th, 2010, 2:10 am

Speed loading is going to be a new SEO parameter. Is there any relation between Google DNS and optimization for Google search engine?
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Post January 6th, 2010, 7:40 am

I wouldn't think so. Google's public DNS is a service meant to be consumed by you, the end user. It's not going to be related to their internal crawling, indexing, or ranking.
I'd love to change the world, but they won't give me the source code.
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Post January 6th, 2010, 1:12 pm

well, the semantics of why it works is a bit beyond me, such as if/why it's faster, but I do know that after I switched over to their DNS from my ISPs', I'm able to get all the websites that were blacklisted by my ISP. I'm able to get to torrent sites, for instance; wasn't able to before.
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