nostr:npub1rqlwyvfshkj2778cc0lv46geppfhgxc73uqfcc0zpz3gy5d07uasj6c9tx Yes, that’s the vulnerability of mostr at the moment. There are currently about 300 instances of fediverse servers that block mostr.pub but most of those are small.
Ditto tries to get around this by providing a server for one or a group of people to bridge rather than one large bridge.