How-To Flush DNS on Mac OS X Mavericks
Mac OS X Manuals & How-To's
OS X Mavericks, Mountain Lion, and Lion
Use the following Terminal command to reset the DNS cache in OS X v10.9.5 and earlier:
sudo killall -HUP mDNSResponder
Use the following Terminal command to reset the DNS cache in OS X v10.9.5 and earlier:
sudo killall -HUP mDNSResponder