proxy: imp docs

AdguardTeam · Jan 29, 2025 · 79703fd · 79703fd
1 parent 13a8241
commit 79703fd
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/proxy/dnscontext.go b/proxy/dnscontext.go
@@ -122,6 +122,10 @@ func (p *Proxy) newDNSContext(proto Proto, req *dns.Msg, addr netip.AddrPort) (d
 //   - If the query was successfully resolved, the statistics contain the DNS
 //     lookup duration for the main resolver.
 //
+//   - If the query was retrieved from the cache, the statistics will contain a
+//     single entry of [UpstreamStatistics] where the property "IsCached" is set
+//     to true.
+//
 //   - If the upstream mode is [UpstreamModeFastestAddr] and the query was
 //     successfully resolved, the statistics contain the DNS lookup durations or
 //     errors for each main upstream.