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Check DNS settings

  named-checkconf /etc/named.conf 
  named-checkzone 

Benchmark dns

linux named

From: http://pgl.yoyo.org/as/bind-zone-file-creator.php

  Using the form below, you can create a zone file for use with the BIND DNS server.

Linux bind Log Format

From: http://www.zytrax.com/books/dns/ch7/logging.html

   More complete description

From: http://download.logreport.org/pub/current/doc/user-manual/ch07.html

  logging {
   channel query_logging {
        file "/var/log/named_querylog"
        versions 3 size 100M;
        print-time yes;                 // timestamp log entries
     };
     category queries {
         query_logging;
     };
  };

HOWTO dump/export the cache of a BIND DNS server

From: http://serverfault.com/questions/2813/list-of-domains-on-dns-server

  • *rndc dumpdb -zones This will create a dump of the server's authoritative data called cache_dump.db, probably in /var/named/data (or similar). From: http://ubuntuforums.org/showthread.php?t=903651 Last night I spent about an hour looking around google for how to dump and view the cache of a bind dns server. I just wanted to post this thread on how to do it so maybe next time people search they will able to find it easier Bind 9 makes it fairly easy to dump and view the cache of a caching BIND DNS server. All you have to do is run under root: rndc dumpdb -cache**
  This will create a file called named_dump.db in the /var/cache/bind/ directory. You can easily open this .db with your 
  favorite text editor.
  If your instance of BIND is chrooted, for example to /var/lib/named/, then the cache dump file will be 
  located in the /var/lib/named/var/cache/bind/ directory.
  The dumpdb feature of rndc has other options including a -all or -zone flag. Check 'rndc --help' 
  for more information. For more information you can check out this HOWTO i drafted.
software/dns.1394151768.txt.gz · Last modified: 2014/03/07 00:22 by superwizard