Modification of Domain Name System
Explore the Domain Name System (DNS), its role in web applications, and how to analyze DNS records using the dig command. Understand how to modify DNS server addresses in the resolv.conf file on Linux systems to support penetration testing tasks and improve network management skills.
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Introduction to the DNS
The DNS (Domain Name System) provides detailed information about a web server and its interrelated domains. Without the DNS, we’d be required to remember all the IP addresses used by the rapidly growing number of websites on the internet. This makes it a critical component of most websites although it wasn’t primarily introduced with that goal in mind; it was just supposed to translate the underlying IP addresses within the web application for better readability. Basically, it’s just like a phone book, and both pentesters and hackers should be ...