Install cdncheck on Ubuntu 24.04

The cdncheck is a command line tool that detects various technologies associated with a given IP address or DNS. It focuses on identifying whether the IP or domain is linked to Content Delivery Networks (CDN), cloud providers, or Web Application Firewalls (WAF). This tutorial explains how to install cdncheck on Ubuntu 24.04.

Install cdncheck

Run the command below to get the most recent version of the cdncheck release and store it in a variable:

CDNCHECK_VERSION=$(curl -s "https://api.github.com/repos/projectdiscovery/cdncheck/releases/latest" | grep -Po '"tag_name": "v\K[0-9.]+')

Download the archive file from the releases page of the cdncheck repository:

wget -qO cdncheck.zip https://github.com/projectdiscovery/cdncheck/releases/latest/download/cdncheck_${CDNCHECK_VERSION}_linux_amd64.zip

Extract the executable file to the /usr/local/bin directory:

sudo unzip -q cdncheck.zip -d /usr/local/bin cdncheck

We can check cdncheck version as follows:

cdncheck --version

Delete the archive file as it is no longer needed:

rm -rf cdncheck.zip

Testing cdncheck

To use cdncheck, you can specify the target domain or IP using the -i option and customize the output format with various options:

cdncheck -i google.com -silent -resp

Output example:

google.com [cdn] [google]

Uninstall cdncheck

To uninstall cdncheck, remove the related file:

sudo rm -rf /usr/local/bin/cdncheck

We can also delete the cdncheck config directory:

rm -rf ~/.config/cdncheck