How to clear the DNS cache on a Mac

Although it’s very rarely needed, flushing the DNS cache might help clear up mysterious internet connection issues. Here’s why, when, and how you do it.

This is one of those tips that you may never need to employ. That said, it is a useful tip to have as part of a Mac user’s troubleshooting arsenal when a Mac is having problems connecting to websites, and the usual raft of easy fixes — also known as “restart all the things” — aren’t resolving it.This particular tip isn’t that easy if you are unfamiliar with the Terminal app, but don’t worry — we’ll guide you through it.

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