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Coming soon will be guides on how to use NGINX and other proxies to provide DNS-over-TLS, also see here. Note that this will still require This works with a couple of provisos:

  • Be aware that a client will think it is talking to a DNS-over-TLS server and so may keep connections open when idle even when not using EDNS0 Keepalive (as allowed by RFC7858 ). The nameserver will see only TCP connections which were historically used just for one-shot TCP and may not be robust to many long-lived connections.
  • Therefore this still requires the nameserver to have robust TCP capabilities (as described in Sections 6.2.2 and 10 of RFC7766) for production level service. Any server that fully implements EDNS0 Keepalive (RFC7828) should meet this criteria.

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See the DNS-over-TLS reference material page for more details on the individual features. 

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