--- a/net/dns.lua	Tue May 30 20:52:22 2017 +0100
+++ b/net/dns.lua	Tue Jun 13 16:36:47 2017 +0200
@@ -513,7 +513,7 @@
 	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]];