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41 I want to forward all DNS queries from my caching nameserver to another server but configure exceptions for some domains - how?

Forwarding can be configured globally and per zone. This is useful where the global policy differs from the configuration required for some of the zones hosted or handled by the nameserver. Many combinations are possible, including no global forwarding except…

42 I get "transfer of 'example.net/IN' from 192.168.4.12#53: failed while receiving responses: permission denied" error messages.

These indicate a filesystem permission error preventing named creating / renaming the temporary file. These will usually also have other associated error messages like "dumping master file: sl/tmp-XXXX5il3sQ: open: permission denied" Named needs write permission…

43 I get "rndc: connect failed: connection refused" when I try to run rndc.

This is usually a configuration error. First ensure that named is running and no errors are being reported at startup (/var/log/messages or equivalent). Running "named -g <usual arguments>" from a title can help at this point. Secondly ensure that named…

44 I see errors like "zone example.com/IN: loading master file zonefiles/example.com: no owner".

This error is produced when a line in a zone file contains leading white space (tab/space) but there is no current record owner name to inherit the name from. Usually this is the result of putting white space before a comment, forgetting the "@" for the SOA…

45 I get error messages like "named.conf:99: unexpected end of input" where 99 is the last line of named.conf.

There are unbalanced quotes in named.conf.

46 I get error messages like "multiple RRs of singleton type" and "CNAME and other data" when transferring a zone?

These indicate a malformed master zone. You can identify the exact records involved by transferring the zone using dig then running named-checkzone on it. CHARSET=ASCII IDN_DISABLE=1 dig +onesoa axfr example.com @master-server > tmp named-checkzone example.com…

47 My slave server for both an internal and an external view has both views transferred from the same master view - how to resolve?

BIND 9.10 and later: use the "in-view" zone option to allow both views to use the same in-memory instance of the zone. See the ARM for your version of BIND for more details. BIND 9.9 and later: see examples 3 and 4 of Understanding views in BIND 9, by example…

48 How do I share a dynamic zone between multiple views?

Running BIND versions prior to 9.9? The method presented here is the recipe to follow. Running BIND 9.9 or greater? An alternate method, requiring BIND 9.9.0 or greater, is presented as example 4 in Understanding views in BIND 9, by example. Running BIND…