Fast-Flux DNS: How Criminals Use It for Attacks

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2025-10-23 00:51:31 -

The same DNS trick that content delivery networks and large hosts use to spread heavy traffic and avoid outages has also been adopted by criminals. Known as "fast-flux," the approach rapidly swaps the IP addresses associated with a domain so that traffic can be rerouted if a particular host fails or becomes overloaded. That flexibility makes it useful for legitimate purposes — load...

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