As you noticed, I had to temporarily enable DDoS protection. Someone is trying quite effectively to distract me from my activities ;p Unfortunately, this may cause some issues with the federation. I will try to cut off the traffic as soon as possible and return to normal operation. Thank you for all your support and patience! :)
Do not worry about us, kbin.social oldtimers - it was founded only on April, and we are early adopters ;)