From c68dc7c1aabba825e850b614c10506586448058d Mon Sep 17 00:00:00 2001
From: Dmytro Kislov <dmytro.kislov@gmail.com>
Date: Sun, 22 Jan 2017 20:32:08 +0000
Subject: [PATCH] truncated cache fix (#485)

---
 middleware/cache/handler.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/middleware/cache/handler.go b/middleware/cache/handler.go
index fa2d60ca7..b55904469 100644
--- a/middleware/cache/handler.go
+++ b/middleware/cache/handler.go
@@ -25,9 +25,9 @@ func (c *Cache) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg)
 	do := state.Do() // TODO(): might need more from OPT record? Like the actual bufsize?
 
 	if i, ok, expired := c.get(qname, qtype, do); ok && !expired {
-
 		resp := i.toMsg(r)
 		state.SizeAndDo(resp)
+		resp, _ = state.Scrub(resp)
 		w.WriteMsg(resp)
 
 		return dns.RcodeSuccess, nil