Is there a way to get the list of federated instances of a specific instance?
(Regarding question 1, should this consider active followers between instances? If not actively defederated/blocked, when one account follows another from another instance, the two instances get federated, right?)
Can I get a list of actively blocked/defederated/muted instances?
How does this change between applications? Are for example Lemmy and Mastodon the same?

My goal is to possibly create a graph/network analysis.

Thank you for your help.

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[–] kersploosh@sh.itjust.works 7 points 1 year ago* (last edited 1 year ago) (2 children)

When viewing an instance's main page in a web browser, scroll all the way to the bottom and click on "Instances". That will show all instances federated with, or blocked by, the given instance.

I'm not sure I can answer your other questions, though you might be interested in https://fba.ryona.agency. It will let you enter an instance and see who is blocking it. For example, here are the instances blocking my home instance, sh.itjust.works: https://fba.ryona.agency/?domain=sh.itjust.works

[–] semperpeppe@feddit.it 2 points 1 year ago (1 children)

This is very helpful. Unfortunately the source code is not available... How did you find this service? Maybe you can point me to some other resource

[–] kersploosh@sh.itjust.works 4 points 1 year ago

Someone linked it in a comment a few months ago, and I happened to bookmark it.

Here are a few other sites that might be interesting: