What does cloudflare have to do with k8s? Maybe you’re confusing it with load balancer.
To answer your question, yes, some big instances are actually using CF protection to mitigate DDoS attacks.

Do you happen to know why v0.18.2 is available in tags, yet not in releases? I see that majority of lemmy instances are running BE 0.18.2.

Lost mine too, had an .ml domain for testing servers. Was baffled why the DNS won’t resolve, then I see this.

https://browse.feddit.de
https://lemmyverse.net/communities