Question re separating caching and authoritative servers

Mark Andrews Mark_Andrews at
Fri Feb 20 22:16:26 UTC 2009

In message <d6e873fbd84699096e9d6cf2916348b4 at>, John Wobus writes:
> What are the good ways to let your local caching server serve your
> own site's data even after a caching-server reboot during an Internet
> outage? If the caching server locates your own authoritative data
> through normal delgation channels, and cannot reach the roots and
> TLDs, then your own local clients could be unable to resolve names
> of local servers, etc.
> Any especially good or bad practices? Things that have worked well
> or poorly? Right now, I'm leaning toward having the caching server
> transfer key zones.

	That's reasonable.   The other alternative is to set up
	stub zones which short circuit the resolution process.

> John Wobus

Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at

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