On MacOS it is now possible for applications to insert a DNS proxy provider (i.e. using nednsproxyprovider) which intercepts all DNS requests.

How is it possible to discover, or list, whether such DNS proxy provider(s) is/are present (apart from just comparing a local DNS request with one made to an external DNS server)?

1 Answer 1


You should be able to see it in the syslog. There should be a message like this:

NESMDNSProxySession[SESSION CODE HERE]: status changed to connected

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