Hello experts,
I'm having an issue where an internet domain, like update.microsoft.com, changes their IP address and my internal DNS servers aren't updating their cache. This is just my suspision, I can't really prove that this is what's happening. However, I can solve the problem by clearing the cache manually in the DNS console but should I really need to do that every time this happens to any record? I have the servers setup with just the root-hints and my internal domains, no forwarders to our ISP, which has been working fine for years until the past few months. What also bugs me is that I have a website of it's own forrest but configured the same which resolves the changes correctly, that makes me wonder if I have a bug on the internal domain.
Any thoughts?
TIA
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