Subdomain Scanner

A Python tool that scans for common subdomains and checks if they are reachable. If the website subdomain is reachable it checks if the subdomain has any titles that you may find interesting and would want to focus on.

Features

• Resolves common subdomains (www, mail, ftp, api, etc.)
• Resolves IP addresses
• Checks HTTP/HTTPS accessibility
• Extracts webpage <title> if found

Requirements

• Python 3.x
• requests library

pip install -r requirements.txt

Usage

Run the scanner against a domain:

python subdomain_scanner.py example.com 
[+] Found: www.example.com -> 93.184.216.34
     Title: Example Domain

[+] Found: mail.example.com -> 93.184.216.34
     No title tag found

Installation

Clone the repo and install dependencies:

git clone https://github.com/mckipfc/Subdomain_Scanner.git
cd Subdomain_Scanner
pip install -r requirements.txt

Notes

This tool was built as a learning project to practice:

• DNS resolution with Python’s socket
• Making HTTP/HTTPS requests with requests
• String parsing and error handling
• Structuring small Python tools