am not a network engineer but it’s because when your OS network stack and DNS were designed the idea of having multiple potential DNS servers wasn’t really much of a thing yet, i think. the stack isn’t really made for a multiple sources of truth scenario. it could be a number of things in your case - race conditions, override conflicts, etc.
am not a network engineer but it’s because when your OS network stack and DNS were designed the idea of having multiple potential DNS servers wasn’t really much of a thing yet, i think. the stack isn’t really made for a multiple sources of truth scenario. it could be a number of things in your case - race conditions, override conflicts, etc.