M17 on CumbriaCQ is URF921 — the same reflector as D-STAR / Icom Terminal, not the old mrefd listing.
Reflector: URF921
Host: urf001.cumbriacq.com
Port: UDP 17000
Module: A (Cumbria CQ Network)
Dashboard: https://urf001.cumbriacq.com/urf/DroidStar / MVoice / OpenWebRX clients: add URF921 (or host urf001.cumbriacq.com), module A. Do not use the old mrefd listing.
Live dashboard: https://urf001.cumbriacq.com/urf/
Icom radios on this reflector use Terminal Mode — see Icom Terminal Mode.