What is Passive DNS and how do you leverage it in research?
CTOvision
JULY 12, 2016
The concept was created in 2004 to help mitigate the threat of malware but is now used for that and far more use cases. A key use case of passive DNS data is to take an IP address known to be malicious and then find all the domain names that Passive DNS sensors have mapped to that IP address. Bob Gourley.
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