Hey @David_Hampson,
Apologies for the delay here - unfortunately, from reviewing a fresh diagnostic report of your Roon Server, it appears your suffeirng from a known service outage caused by upstream DNS servers. Here is the tracking thread around the issue:
Our team is actively investigating this, though we don’t have immediate troubleshooting steps to share just yet. I truly appreciate your patience. We’ll be posting all updates directly to the tracking thread above as soon as we have news.