You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

domainers
6.5.12

This version was deleted from PyPI around 2024-02-10. Installing fails with:
$ pip3 install domainers==6.5.12 ERROR: Could not find a version that satisfies the requirement domainers==6.5.12
View other deleted versions of domainers

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2024-02-09/ \ domainers==6.5.12
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
domainers-6.5.12-py3-none-any.whl (18.0KB)
domainers-6.5.12.tar.gz (17.4KB)