Shulou(Shulou.com)05/31 Report--

This article will explain in detail the usefulness of domain name cache detection technology for you. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Domain name cache detection (DNS Cache Snooping) technology

In an enterprise network, a DNS server is usually configured to provide domain name resolution services for hosts in the network. These DNS not only resolve their own private domain names, but also recursively request the DNS of the public network to resolve third-party domain names, such as baidu.com. In order to improve performance, cache records are usually used to record resolved domain names, especially third-party domain names.

Domain name cache detection (DNS Cache Snooping) technology sends domain name resolution requests to these servers, but requires that the recursive mode is not used. In this way, DNS can only resolve private domain names and domain names saved in the cache. With this technology, penetration testers know which domain names have been requested. For example, the tester can submit the domain name used by a security software update, if there is a record, indicating that the network uses the security software.

The recon-ng tool provided by Kali Linux provides the module cache_snoop for this technology.

This is the end of the article on "what is the use of domain name cache detection technology". I hope the above content can be helpful to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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