February 2018
Intermediate to advanced
396 pages
9h 38m
English
Content preview from Advanced Infrastructure Penetration Testing
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DNS security
The Domain Name System (DNS) was developed in 1983 by American scientists, Paul Mockapetris and Jon Postel. We all know that remembering websites using their IP addresses is hard, so the need for an easier naming service was a must. This was the goal of DNS, as it provides a naming structure based on names and not IP addresses. The diagram here shows the different steps of DNS:
The DNS data is distributed among many locations, based on a specific hierarchy across the globe, to ensure a faster information transfer. In general, we have root domains (13), top-level domains and second-level domains:
A Fully Qualified Domain Name ...
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