devmugi/dns_fix.sh

Created March 30, 2021 12:44

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DNS on Mac override workaround to fix dns issues with InfoBlox

Raw

How to Set DNS Servers from the Command Line of macOS with networksetup

For example, to set a Mac with wi-fi to Google DNS of 8.8.8.8 the syntax would be:

networksetup -setdnsservers Wi-Fi 8.8.8.8

You can set multiple DNS servers if desired,

networksetup -setdnsservers Wi-Fi 8.8.8.8 8.8.4.4

How to Clear All DNS Servers with networksetup

networksetup -setdnsservers Wi-Fi Empty

Checking DNS Settings with networksetup

networksetup -getdnsservers Wi-Fi

InfoBlox DNS issue fix

Workaround is to set DNS every second

#!/bin/bash

while true; do
  networksetup -setdnsservers Wi-Fi 8.8.8.8 8.8.4.4
  sleep 1;
done

Raw

	#!/bin/bash

	while true; do
	networksetup -setdnsservers Wi-Fi 8.8.8.8 8.8.4.4
	sleep 1;
	done

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