mDNSresponder is back! July 6, 2015 by alexkaloostian Leave a comment That’s right, 10.10.4 fixes a BUNCH of the weird, nagging network issue’s I’ve been having since last year. discoveryd is out, mDNsresponder is back. Hallelujah. Share this:TwitterFacebookLinkedInLike this:Like Loading... Related Author: alexkaloostian I'm a video editor, motion graphics designer and Mac IT consultant in the Boston area.