img with my local ranking about 3 technologies

RBL-Checker: details on the refacto

A long time ago, I wrote RBL-Checker, a tool to check if a range IP is blacklisted or not.

I continue to use it but need a lot more complete and that integrate better in my use case.

In this post, you’ll learn:

  • my use case (actual and future)
  • my choice about my style to write code, and tools