Security Links
A vulnerability classified as critical has been found in PHPGurukul User Registration & Login and User Management System 1.0. This affects an unknown part of the file /signup.php. The manipulation of the argument email leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
#SUBDOMAIN
Nmmapper

Nmmapper offers nmap scans,9 subdomain finder tools,theHarvester,wappalyzer,whatweb online.

https://www.nmmapper.com/
Subdomain Finder

A subdomain finder is a tool used to find the subdomains of a given domain.

https://subdomainfinder.c99.nl/