Flush Cache OS X Sierra sudo killall -HUP mDNSResponder sudo killall mDNSResponderHelper sudo dscacheutil -flushcache Also published on Medium. Share this:Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)MoreClick to email a link to a friend (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Telegram (Opens in new window)Like this:Like Loading...