Simulation run on this device. Scenario values are not sent anywhere — the engine is fully local.
system design simulation · free
DNS Resolution Journey
Follow a cold lookup end to end, then make TTL caching erase the hops.
Root, TLD, authoritative — how many hops is one lookup?
Engine 1.0.0 · simulation
s
186400
ms
1100
ms
10300
0100
- Avg lookup
- 18.0 ms
- Miss path
- 75 ms
- Hit path
- 15 ms
- TTL
- 300 s
Most lookups hit resolver cache.
miss 5% → avg 18.0ms
Method
- Deterministic local model of the mechanism — knobs recompute outputs instantly with no network.
- Numbers are teaching approximations, not production capacity guarantees.