The websites try to avoid detection by Google's Safe Browsing service by adopting several techniques, such as "rapidly changing their location through free web hosting, dynamic DNS records, and automated generation of new domain names".
One of the changes in the amendment, for example, cut out the proposed ability to cut off a website at the DNS level after a notice of infringement, a clause that detractors said offered no due process for those wrongly accused.
DNS information for the IP of the bot and described what you should see, to ensure that it is the official MSNBot, if it is not, then you may want to block it or report it to Microsoft. Microsoft adCenter dynamic keyword insertion, PPC Blog
