Comment on Quad9 DOH HTTP/1.1 Retirement, December 15, 2025parentComments−jeroenhd9moBut is DoH? If your library is too old to support http2, what are the chances you've upgraded the DNS resolver to a DoH resolver?Luckily it's pretty easy to run your own DoH server if you're deploying devices in the field, and there are alternatives to Quad9.−5d41402abc4b9moIts not about age, its about complexity. HTTP/1.1 client is trivial to implement.−advisedwang9moWe're talking about an HTTP/1.1 server here
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But is DoH? If your library is too old to support http2, what are the chances you've upgraded the DNS resolver to a DoH resolver?
Luckily it's pretty easy to run your own DoH server if you're deploying devices in the field, and there are alternatives to Quad9.
Its not about age, its about complexity. HTTP/1.1 client is trivial to implement.
We're talking about an HTTP/1.1 server here