Filtering by categories and known malicious host names is great, so why not add the ability to analyze the IP address returned by a DNS query and block the result from getting back to the OpenDNS customer if that IP is listed in malware blacklists.
Example: A dns lookup for staggline.com (bad site itself) returns 220.127.116.11 which is a known C&C server in addition to hosting about 300 other websites of which a substantial percentage are phishing and near name domains. Basically not much good is coming out of that IP or the ASN for that hosting company. I would like to have OpenDNS make the call to block the IP result for these hosts which are basically on the seedy side of the internet.
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