Great info on how to verify Googlebot

Great post from Mattcuts about checking for google bot..

Quote from googles webmaster blog :

 Telling webmasters to use DNS to verify on a case-by-case basis seems like the best way to go. I think the recommended technique would be to do a reverse DNS lookup, verify that the name is in the domain, and then do a corresponding forward DNS->IP lookup using that name; eg:

> host domain name pointer

> host has address

I don’t think just doing a reverse DNS lookup is sufficient, because a spoofer could set up reverse DNS to point to


More info and links :


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