Information Gathering Online Tools


Hello everyone welcome to knowledgesuttra. Today we are going to discuss about the online tool which help for information gathering. There are various tools available online for information gathering for hacking. But some of them are most popular as compared to other. Let’s have a reminder that hacking is a crime unless and until you have permissions of owner. Scanning a website is also a crime, so do everything with the owners Permission.

Lets get to the tools.

Nmap :-

NMAP is a Kali Linux Based tool. But its web version also available. So there is no need of configuring Kali in your machine. If you haven’t heard about Kali Linux kindly go through.

Also read:- Top Mostly Used Pro Hacking Tools For Kali Linux

Back to nmap. Go to

Insert the IP address or domain name. And press Enter or click on search.

Zenmap is alternative for nmap whereas Zenmap is GUI based and nmap is command based. There is no other difference between both.

Now the other well known tool which gives more information about the victims website/domain.

Whois :-

As the name suggests this online portal which gives information about domain registry, for how much duration, and from which domain provider, and many more.

Go to

and enter your victims domain name/IP. And get maximum information about servers used, which OS is loaded on server, how many time it switched the location, etc.

A less popular but informative online tool known as Robtex.

Robtex :-

The tool is available online and have ability to determine even a network on the server. This tool is available on

This tool is used for data forensics. So before proceeding further kindly take the permissions of your victims.

Robtex uses various sources to gather public information about IP numbers, domain names, host names, Autonomous systems, routes etc. It then indexes the data in a big database and provide free access to the data.

All the tools mentioned above are the web based applications which doesn’t have any dependency. Hence these tools are useful.

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