OS X stores a local cache of resolved DNS queries for a time defined by the DNS server, but there are times when it may be necessary to reset the cache immediately and re-query a DNS server. For example, you…
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Flush DNS Cache in Lion and Mountain Lion Changed
To flush the DNS cache in Mac OS X 10.5 and 10.6, run this command in Terminal: sudo dscacheutil -flushcache This as been changed in 10.7 and 10.8, as per an article from Apple, to clear it out, run this command: sudo…
