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Good point -- although it makes sense why it isn't frequently implemented. DNS lookups aren't cheap for this kind of thing.
by lend000 10y ago
Good point -- although it makes sense why it isn't frequently implemented. DNS lookups aren't cheap for this kind of thing.
- Symbiote 10y agoIt would be sufficient to let some requests come through from "Googlebot", and then deal with them (block, rate-limit, whatever) once the DNS check has been completed.