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-rw-r--r--net/dns.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/dns.lua b/net/dns.lua
index b69ba953..8a7d4e7a 100644
--- a/net/dns.lua
+++ b/net/dns.lua
@@ -672,7 +672,7 @@ function resolver:remember(rr, type) -- - - - - - - - - - - - - - remember
self.cache = self.cache or setmetatable({}, cache_metatable);
local rrs = get(self.cache, qclass, type, qname) or
set(self.cache, qclass, type, qname, setmetatable({}, rrs_metatable));
- if not rrs[rr[qtype:lower()]] then
+ if rr[qtype:lower()] and not rrs[rr[qtype:lower()]] then
rrs[rr[qtype:lower()]] = true;
append(rrs, rr);
end