How to Clear DNS Cache with discoveryutil in Mac OS X Yosemite

A lot of OS X Yosemite users are complaining that dscacheutil is not helping with clearing DNS cache. Here is quick guide to try with discoveryutil.
To completely clear all DNS caches in OS X Yosemite, target both MDNS (Multicast DNS) and UDNS (Unicast DNS) with two different commands.

Step 1.  Open Terminal.app



Step 2. Insert this command to terminal to

Clear MDNS Cache


sudo discoveryutil mdnsflushcache


Hit return and enter the admin password when requested.
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