What are the Cisco Umbrella Block Page IP Addresses

Sep 17, 2007 Home Free by OpenDNS OpenDNS blocks phishing websites that try to steal your identity and login information by pretending to be a legitimate website. Surf the Web with confidence. Over 30,000,000 homes, schools, and businesses of all sizes rely on OpenDNS for a better Internet. OpenDNS Update Adds IP Layer Enforcement to Umbrella

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This tells us that the egress IP address for the DNS server that made the request was, which should match with the IP address that you have registered on the Umbrella Dashboard. If the address does not match, you will need to register the correct IP address to your Dashboard to ensure you get the full security benefits of Umbrella

Well, the IP addresses on the list above are the first ones Cisco/OpenDNS returns if a blocked domain is being queried like: nslookup www.internetbadguys.com. But the browser continues to attempt accessing the hostname, using the returned 146.112.61.* FamilyShield Computer Configuration Instructions – OpenDNS