Dangling Domains: Security Threats, Detection and Prevalence


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Executive Summary

The Domain Name System (DNS) provides the naming service which maps mnemonic domain names to various resources such as IP addresses, email servers and so on. As one of the most fundamental internet components, DNS and domain names usually serve as trusted anchors for users to access desired internet resources. As a result, threat actors constantly attempt to exploit DNS for illicit online activities. In particular, many attackers…

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