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MeWithAMac Author

Level 1

5 points

Is there anyway to disable negative DNS caching?

Currently and for several years now, OSX (haven't tried OS11) caches negative DNS entries. That is that if it tries looking up a DNS name and fails, the next time it doesn't even try and just returns a failure to the user.

The user then needs to go to the command line and clear the DNS cache.

Is there a way to disable this?

I'm tired of my users saying a server or online resource is down, when it was just a temporary glitch in their DNS availability. Then I have to walk them through clearing their DNS cache.

Thanks!

Posted on Jan 18, 2021 2:45 PM

Is there anyway to disable negative DNS caching?

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