1.1.1.1 DNS over HTTPS suddenly failing

I’m just an end user who’s had their browsers configured for DoH with 1.1.1.1 for the past couple years now. Suddenly found it’s no longer functioning. When I go to https://1.1.1.1./help the debug info shows no connections on 1.1.1.1, DoH, DoT and WARP. AS Name/Number always stay in checking status. Under “Connectivity to Resolver IPs” it does show I’m successfully connected to 1.1.1.1 and 1.0.0.1. Not sure what’s going on, but it seems to be external to my network. My ISP is Cox. If I switch my browsers to another DoH provider like Google or OpenDNS it’s successful and working normally again. Not sure how to get support for this as an end user.

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