Unable to disable built in DNS cache

[NeutralGround]

Hi,

Is it possible to disable the built in cache? Tried to set 0 or commenting the line out but it will fail to start.

[jedisct1]

Have a cache is highly recommended, even if you already have one on the resolver.

In addition to help mitigate side-channel attacks, encrypted-dns-server's cache is likely to be more reliable than your resolver's cache, especially when timeouts and temporary network issues arise. It also avoids storms of queries to upstream servers when a popular set of records expires.

And if the resolver is overloaded, slow, down or being restarted for an update, encrypted-dns-server will still be able to server the most frequent queries until the resolver recovers. It will also let it start more progressively, which is important on servers with limited resources.