DNS, or the Domain Name System, resolves human readable domain names (for example, http://www.hacksheets.in) to machine readable IP addresses (for example, 220.127.116.11).
What is Recon-ng?
Recon-ng is a full-featured reconnaissance framework that has a similar interface to that of Metasploit(which comes in handy and easy to use).
Recon-ng has the command-line interface which you can run on Kali Linux, also you enter a shell-like environment where you can configure options, perform recon, and output results to different report types.
TCP Three way handshake process cheatsheet.
Whois is an Internet service and protocol by which we can find who owns a domain of an website, and displays information about domain name Whois is an Internet service and protocol that searches and displays information about a domain name from repositories of domain name registrars worldwide, and their IP adress block, or an autonomous system etc.
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CyberSecurity Practice Labs – Get hands-on experience and advance your skills in cyber security using these practice labs.
Cross-Site Scripting XSS Types, tools, and Prevention – Cheatsheet
File upload testing for bug-bounty and penetration testing cheatsheet