cloudflared is used as upstream DNS server of Blocky. It provides a DNS-over-HTTPS proxy for Cloudflare. To achieve some kind of high availability, multiple instances are deployed as pods using the replicas value of the Helm chart. Those pods are force to be scheduled onto different nodes using inter-pod anti-affinity.
As final upstream servers of
cloudflared the following addresses of
18.104.22.168 are configured: