troubleshooting Question

Mac not resolving DNS

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edhastedFlag for United Kingdom of Great Britain and Northern Ireland asked on
Apple OSApple NetworkingApple Hardware
69 Comments1 Solution7052 ViewsLast Modified:
A load of Macs on the network have stopped resolving their DNS, and nothing has changed - knowingly.

My Mac Mini is on 10.11.1.

Have put machine on Static IP out of paranoia.
The DNS is set to 8.8.8.8 and 8.8.4.4 (Google's DNS).
I can resolve 8.8.8.8 but with a ping on www.apple.com I get "Unknown host".

If I change the DNS servers to my providers primary and secondary we get exactly the same results.
Same issue with a fixed cable and wireless network connections.
All Windows machines are fine.

Any ideas? WHAT is going on?
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