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You should ask people from Dyn. They wrote their own DNS service and learned it the hard way. I only have peripheral knowledge of it.
by notyourday 7y ago
You should ask people from Dyn. They wrote their own DNS service and learned it the hard way. I only have peripheral knowledge of it.
- tptacek 7y agoDoes it count if I've implemented DNS servers several times in my career without running into any problems like this? Mine were limited-purpose --- global traffic management redirectors and, earlier, security testing --- but still, I didn't run into any crazy bug-ness.
- yjftsjthsd-h 7y agoI think the question is very much of scope/purpose. I expect that narrow-use one-offs and internal services are easy. I don't have the experience to back this up, but I wouldn't be surprised if it is much harder to write a general-purpose server for use on the open internet by arbitrary clients (and of course <10% of clients will be responsible for 90% of "interesting" behavior).