Cloudflare and DOT failures
So I have been using Cloudflare with DOT successfully for quite some time. It's setup with the DNS resolver, enabling forwarding mode, and using SSL/TLS for outgoing DNS queries and all has been fine for many months. I test DOT performance using https://cloudflare-dns.com/help/ and it shows DOT is working. Over the last few weeks I have been experiencing failures using the https://cloudflare-dns.com/help/ tool. In fact, at least 4 out of 5 tests now fail. I have used packet capture and all DNS queries are going out port 853 and all queries are TCP, not UDP. DNS is working perfectly. I think this is an issue with the cloudflare test tool or at their server. For those of you setup with DOT and using cloudflare can you do 7 or 8 retries of https://cloudflare-dns.com/help/ and see if DOT is consistently working??
Here is a failure:
Here is a pass:
I have filed a support request with Cloudflare as well. Thanks in advance!!