From 1238e06ab5ad989ed8a9909a9f96e90869e86da1 Mon Sep 17 00:00:00 2001
From: Kees Monshouwer <mind04@monshouwer.org>
Date: Sun, 18 Sep 2016 00:28:41 +0200
Subject: [PATCH] disable negative getSOA caching if the negcache_ttl is 0

---
 pdns/ueberbackend.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pdns/ueberbackend.cc b/pdns/ueberbackend.cc
index 9557b36fc3..efa0e2dd84 100644
--- a/pdns/ueberbackend.cc
+++ b/pdns/ueberbackend.cc
@@ -396,7 +396,8 @@ bool UeberBackend::getSOAUncached(const DNSName &domain, SOAData &sd, DNSPacket
       return true;
     }
 
-  addNegCache(d_question);
+  if(d_negcache_ttl)
+    addNegCache(d_question);
   return false;
 }
 
-- 
2.47.2