Resolving RFC1918 addresses on recursive, caching servers

Mark Andrews marka at
Thu Nov 9 23:27:53 UTC 2017

Just slave the zones on the recursive servers.   When you forward that server does
all the recursion and returns the answer to you.  If you do use forwarding for RFC 1918
zones use “forward only;” as you really don’t want talk to the AS112 servers.

RFC 1918 reverse support really is easy.  You slave the zones at the top of the
part of the name space you are using (, …, and follow delegations from them to
deeper zones.

People over use forward zones.

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

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