Copyright

Content

Except where otherwise noted, content on this website is licensed under a Creative Commons Attribution 4.0 International license.

Software

Source code

The software source code of Internet.nl is published under the Apache License, version 2.0 on Github.

Building blocks

Internet.nl was made possible by using and combining other open source software. The main open source building blocks of Internet.nl are:

• Python 3 (main programming language)
• Django (web framework)
• PostgreSQL (database)
• Celery (asynchronous tasks backend)
• Redis (cache backend for Django and Celery)
• RabbitMQ (message broker for Celery)
• unbound/libunbound (for DNS related tests and functionality)
• nassl (Python bindings for OpenSSL; for TLS related tests)
• Routinator (for RPKI related tests)
• SecTXT (for security.txt test)
• Postfix (mail server for interactive email test, beta)

Donations

To thank and support the (open source) projects we are building upon, we regularly make donations to them.

2024

• Celery: USD 1500
• Mastodon.nl (Stichting ActivityClub): EUR 1500
• nassl & sslyze (Alban Diquet): EUR 1500

2023

• Celery: USD 1408.98
• Django Software Foundation: USD 1409
• Mastodon gGmbH: EUR 1500

2019

• Celery: EUR 1500
• Django Software Foundation: EUR 1500
• Python Software Foundation: EUR 1500

Names and logos

• Both the name Internet.nl and the Internet.nl logo are explicitly excluded from the above licensing. Thus we do not grant permission to use these when our content or software code is reused, unless we make an explicit exception and the related criteria are met (e.g. in case of the 100% badges).
• The names and logos in the icons that refer to our social media places are explicitly excluded from the above licensing.

Re-use

Re-users of source code

As far as we know, the following external websites are re-using the Internet.nl source code. Please let us know if your website is also based on our source code.

• top.nic.br (Brazil)
• sikkerpånettet.dk (Denmark)

Attribution in case of re-use

If you re-use the Internet.nl source code and/or test results in your own website or service, we kindly ask you for attribution. For example, you can use the following text and display it in a prominent place.

Source code

This website re-uses source code from the Internet.nl project.

Note that if you not only re-use but also re-distribute the source code, the previously mentioned Apache license also imposes attribution requirements.

Test results

This website re-uses test results provided by the Internet.nl test tool.