It's just another Madison instance. The noagendasocial.com instance is shutting down soon
Discussion
Are these instances any different than others? Iwould live one that doesnt require KYC (email) to create an account
I think most instances require at least an email.
You could spin up your own instance.
https://josh.is-cool.dev/running-a-mastodon-instance-entirely-free-forever/