So easy to do a DNS takedown. He should choose something more robust.
Discussion
He talks a lot about the various technical fights on his plate but I'm not well versed in this stuff so I can't really weigh in. It mostly goes over my head even though I can follow his explanations.
They keep losing the domain name and moving to a different one. Nostr+Tor eliminates this, but it's a bit confusing for most users.