From bd8d047428ae0899f5ab6c6985118e3703b08b05 Mon Sep 17 00:00:00 2001
From: Daniel <dhaavi@users.noreply.github.com>
Date: Tue, 22 Sep 2020 16:07:51 +0200
Subject: [PATCH] Retry NSDomain queries, if wanted

---
 resolver/resolve.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/resolver/resolve.go b/resolver/resolve.go
index 6234a345..d701713b 100644
--- a/resolver/resolve.go
+++ b/resolver/resolve.go
@@ -358,6 +358,10 @@ resolveLoop:
 				// Defensive: This should normally not happen.
 				continue
 			}
+			// Check if we got NXDomain and whether we should try another resolver.
+			if rrCache.IsNXDomain() && tryAll {
+				continue
+			}
 			break resolveLoop
 		}
 	}