Google couldn't access your site because of a DNS error

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For my site webmaster tool showing crawl error “Google couldn’t access your site because of a DNS error”.

Google not indexing my site.

Although it showing error at “6/30/12Errors / Attempts:0 / 163 (0%)”.

Please give me a suggestion.

Hi,
I think this is a temporary problem, perhaps if you changed the hosting server, or in that time the hosting server was down.
If you can access your web site, it’s ok, it takes a few days till the error will be deleted from google.

Thanks brother MarPlo…