@vielbein Yes. Though some other instances might cache the posts from that instance, but that's not a guarantee.
I was on mastodon.host until it broke down. Everything's gone and I simply continued on Qoto.org.
If you want to have everything in control, you can start your own instance and manage your own posts and create your own backups.
In fact, it'd be great if organizations would host their own instances and have their employees on there (and be automatically verified because only employees can belong to that instance's domain).
That way the organization would ensure that they will never go down and never let the information get lost.
That's the power of federation.
@vielbein Ask around with the Mastodon hashtag. That's not my expertise.
@trinsec A follow up question: how to create an instance, how to create a server and who to back up my posts here...Any place where I can see that?