Any time I need to flush dns cache, I simply google "flush dns cache mac" and top result shows you the simply command to run: https://support.apple.com/en-us/HT

Any time I need to flush dns cache, I simply google "flush dns cache mac" and top result shows you the simply command to run: https://support.apple.com/en-us/HT202516 https://support.apple.com/en-us/HT202516 Having a simple command such as "reset dnscache" or something of course would be nice, but since it can already be done in a matter of seconds with a quick google I can't imagine it's that much of concern for apple of many developers compared to other issues.