A crawler wanted to know who talks to whom on our [Mastodon] server

For two weeks, a client from China's state-run academic network queried our Mastodon instance for who follows whom. Not content — relationships. No project description exists anywhere. Here is what we found, and how to check your own instance.

Blog post:
https://www.martinmuc.de/blog/crawler-who-follows-whom/

Mastodon post:
https://muenchen.social/@martinmuc/117144806957574027