Hello. I'm running BIND 9.1.3 as a caching nameserver on my Red Hat 7.2 
machine.

My DHCP lease was renewed by my ISP, and an "nslookup" on my machine reveals 
the cached, old IP address.

A "service named stop" and "service named start" seemed to clear the cache. 
"service named reload" before stopping/restarting did not seem to affect the 
contents of the cache. I'm assuming "rndc reload" would have effectively 
performed a "service named reload"?

Are the cached entries stored in memory? Is there a way to clear one entry or 
a recommended way to clear the entire contents of the cache? I could wait for 
it to expire based on the DNS time-to-lives, but I was just wondering how I 
could flush one (or all) entries for my caching nameserver.

Thanks in advance!

Brandon Hutchinson



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