From 6f1020550628c90495e29d33a8952850d0e0ce83 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Tue, 13 Jun 2017 16:36:47 +0200
Subject: net.dns: Prevent answers from immediately expiring even if TTL=0 (see
 #919)

---
 net/dns.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'net/dns.lua')

diff --git a/net/dns.lua b/net/dns.lua
index 5e29e906..0d6a828c 100644
--- a/net/dns.lua
+++ b/net/dns.lua
@@ -513,7 +513,7 @@ function resolver:rr()    -- - - - - - - - - - - - - - - - - - - - - - - -  rr
 	rr.ttl      = 0x10000*self:word() + self:word();
 	rr.rdlength = self:word();
 
-	rr.tod = self.time + rr.ttl;
+	rr.tod = self.time + math.min(rr.ttl, 1);
 
 	local remember = self.offset;
 	local rr_parser = self[dns.type[rr.type]];
-- 
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