This should eliminate DNS issues caused by any bugs known to Apple. Alternatively, if you’re ready for a significant upgrade, update to the newest version of macOS that your Mac hardware supports. Whether this is an issue with specific versions of macOS, it’s a good idea to update to the latest version of the macOS edition you’re running. For example, it seems that macOS Big Sur, in particular, has a DNS issue that pops up randomly. We’ve also seen online forum posts indicating that DNS issues on macOS computers are more familiar with a specific version of macOS than others.

Alternatively, switch your Mac to a different connection (e.g., your iPhone hotspot or Ethernet) and see if the problem persists. The fastest way to check if the problem is with something other than your Mac is to open the same web page on a different device connected to the same network. If you have this feature, you may also want to reset your ISP connection remotely.īefore you start poking around your Mac, you must narrow the problem down to your computer, or you’ll waste your time and potentially mess things up further.

Some internet service providers allow subscribers to reset the ISP connection remotely through a website or mobile app dashboard. Restart any satellite mesh units, extenders, and repeaters. Restart your modem (e.g., your fiber ONT, cable box, etc.) and your router (if it’s a separate device). As such, restart all of the devices in the chain. The standard advice to reboot things applies more than ever to DNS issues since often it’s a problem with the internet connection that needs to be resolved.

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