eDNS0 and ECS are already supported, but the client subnet information is only used for CDN routing optimization. When a gateway/firewall (e.g. OPNsense with Unbound) forwards DNS queries with ECS headers containing the originating LAN client IP, that IP should be logged and displayed in the dashboard query log — not just used for CDN decisions. This would allow firewall-only deployments (without Relay or Roaming Clients) to have per-device visibility in the analytics, which is currently impossible since all queries appear to originate from the gateway IP. Why this is a strong request: ECS is already an open standard (RFC 7871) — You already use it for CDN optimization. It doesn't require any agent or Relay deployment, easy to deploy for small clients. ControlD and NextDNS both have this.