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OpenDNS Public DNS Usage Detection

Info

Synopsis

The remote host is utilizing OpenDNS's public DNS service.

Description

The remote host was observed making DNS queries to one or more OpenDNS public DNS servers. Utilizing OpenDNS's public DNS service may allow users to bypass web filtering or circumvent other security measures. Malicious actors may also use these servers in an attempt to discretely reach out to internet resources while remaining undetected.

OpenDNS Public DNS Addresses : - 208.67.220.220 - 208.67.222.222

Solution

Ensure this DNS configuration is sanctioned by policy and guidelines regarding acceptable network usage.