Clear DNS Cache in Mac OSX (Leopard and Lion)
by Jon Hibbins on 4 July 2011
Filed under: OSX, Platform, Quick Tips
In Mac OSX 10.5+ (Leapard and Lion)
To clear DNS cache in Leopard, open up a terminal window and use the following command:
dscacheutil -flushcacheIn Mac Mac OSX 10.4 and below
lookupd -flushcache