Add deprecation notice to cloudflared guide

Remove reference to cloudflared from dnscrypt-proxy guide

Signed-off-by: Rob Gill <[email protected]>

Author: rrobgill

docs/guides/dns/cloudflared.md

@@ -1,3 +1,14 @@
+<!-- markdownlint-disable code-block-style -->
+!!! Warning
+    As of November 2025 the proxy-dns feature that this guide relies upon is [deprecated by cloudflare](https://developers.cloudflare.com/changelog/2025-11-11-cloudflared-proxy-dns/).
+
+    Current installations will continue to work and are supported for 12 months after their release date. However, if cloudflared is updated after the 2nd of February 2026 it will no longer function as per this guide.
+
+    New installations via this method are not recommended.
+
+    Uninstallation instructions are available below.
+<!-- markdownlint-enable code-block-style -->
+
 ### Why use DNS-Over-HTTPS? [^guide]
 
 DNS-Over-HTTPS is a protocol for performing DNS lookups via the same protocol you use to browse the web securely: **HTTPS**.

docs/guides/dns/dnscrypt-proxy.md

@@ -2,8 +2,6 @@
 
 To utilize DNS-Over-HTTPS (DoH) or other encrypted DNS protocols with Pi-hole, preventing man-in-the-middle attacks between Pi-hole and upstream DNS servers, the following sections explain how to install the flexible and stable [dnscrypt-proxy](https://github.com/DNSCrypt/dnscrypt-proxy) tool.
 
-As an alternative tool to this end, consider [cloudflared](https://github.com/cloudflare/cloudflared), for which a [guide](cloudflared.md) exists as well.
-
 ### Installing `dnscrypt-proxy`
 
 Under Debian 13 `Trixie` and Ubuntu 25 `Plucky Puffin` and later, official packages are available and therefore can be installed with the following commands: