http://joindota.com has been crawled 66 times going all the way back to May 12, 2010.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ
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January 14, 2013

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March 31, 2013

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April 20, 2013

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April 30, 2013

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May
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Jun
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Jul
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Aug
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Sep
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Note

This calendar view maps the number of times http://joindota.com was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.