amitdalal/dnsbl repository overview

⁠Docker RBL aka DNSBL checker on Alpine Linux

• Built on the lightweight and secure Alpine Linux distribution
• Very small Docker image size (+/-25MB)
• Uses dig and curl with bash env
• Follows the KISS principle (Keep It Simple, Stupid) to make it easy to understand and adjust the image
• You will get the output aginst the DNSBL name if your IP is blacklisted there.

⁠Usage

You can simply check your IP using docker run, by :

docker run -it --entrypoint=dnsbl amitdalal/dnsbl 1.1.1.1

To run the app :

docker run -p 5000:5000 amitdalal/dnsbl

Now try curl localhost:5000/1.1.1.1

Or even simple, just do :

curl https://dnsbl.webscoot.io/1.1.1.1

⁠Replace 1.1.1.1 with the < IP address to be checked against the DNSBL >