[atlas] DNS Root Server Result Stream Visualisation not working

I wonder if the Atlas team knows that the RIPE Atlas DNS Root Server Result Stream Visualisation is no longer working? A web browser console shows this error: Loading failed for the <script> with source “https://atlas-stream.ripe.net/socket.io.js”. dns-instances.html:47:62 Uncaught ReferenceError: io is not defined getSocket https://sg-pub.ripe.net/demo-area/atlas-stream/dns-instances.html:52 <anonymous> https://sg-pub.ripe.net/demo-area/atlas-stream/dns-instances.html:144 DW