Forwarded entries can expire or be cleared while configured local records remain available.

dnsmasq separates forwarded cache entries from configured local names

dnsmasq can forward DNS questions upstream, retain supported answers in a bounded cache, and serve names configured locally. These are different sources of data. A repeated answer may be a cache hit or a local configuration result. Establishing which source supplied it is essential when a hostname disagrees with the authority or continues resolving after a cache flush. ...

April 15, 2028 · 6 min · XB Field Notes