To clear cached DNS info in various versions of Mac OS X...
Mac OS X Yosemite and later: sudo killall -HUP mDNSResponder Mac OS X Yosemite v10.10 through v10.10.3: sudo discoveryutil mdnsflushcache Mac OS X Mavericks, Mountain Lion and Lion: sudo killall -HUP mDNSResponder Mac OS X Snow Leopard: sudo dscacheutil -flushcache
I usually write a blog post about once a week. The latest post can be viewed here: Think for Yourself: In the end, everything is just an opinion. Be skeptical, and think for yourself! (posted 2026-04-25 at 21:12:02). I do podcasts too! You can listen to my latest podcast, here: OJB's Podcast 2026-04-14 How Far is that Star?: How would we really know how big the universe is?
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