lib/httpx/resolver.rb in httpx-0.22.2 vs lib/httpx/resolver.rb in httpx-0.22.3

@@ -106,10 +106,18 @@
       end.encode
     end
 
     def decode_dns_answer(payload)
       message = Resolv::DNS::Message.decode(payload)
+
+      # no domain was found
+      return if message.rcode == Resolv::DNS::RCode::NXDomain
+
       addresses = []
+
+      # TODO: raise an "other dns OtherResolvError" type of error
+      return addresses if message.rcode != Resolv::DNS::RCode::NoError
+
       message.each_answer do |question, _, value|
         case value
         when Resolv::DNS::Resource::IN::CNAME
           addresses << {
             "name" => question.to_s,