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I am puzzled in this situation. My computer is able to open some websites but not everyone. For example it is able to open Google and Facebook but not Yahoo and Microsoft. I tried to ping Yahoo.com but request timed out, so i tried to ping the ip address of yahoo and still same. Plz help.

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migrated from webmasters.stackexchange.com Jan 10 '13 at 0:27

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Can you access the sites via a proxy? –  Karan Jan 10 '13 at 18:15

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