Most if not all devices (looking at you Windows) do not use the secondary DNS at all, not even at failover, they take their due time to use the secondary one. Best practice would be to use a VIP as primary DNS that will load balance the requests to two DNS.

Could you map an area in very high detail like this? Like a forest or a field?

This is a very fun idea and I guess you yourself had lots of fun setting it up that way.

That’s not what we do here sir! We do not apply common sense, we find fancy automatic solutions to simple problems.

This sounds like a lot of fun. You can do basically the same in Home Assistant where you can track who is home and such and do actions depending on the users state.

Same! Would be nice if someone sits down and makes a ready to consumer product for this, turning your house into Jarvis, without any cloud.

The lengths we go to make dumb devices smart!

Do you train a model on playing warcraft?

Yet I asked here 😊

Seems like a 3$ Zigbee temperature sensor could do the job 😊