Create a (caching only) Domain Name Server (DNS) in 60 seconds,
or less.

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NOTICE:

As of 10.5.5 (client only) it is not as easy as it was with 10.5.4 and earlier.
The current version of named (9.4.2-P2) has a ton of new stuff we have to deal with in /etc/dns/ ...

OK, start the clock...

• In a terminal window type:
   sudo launchctl load -w /System/Library/LaunchDaemons/org.isc.named.plist 
  
  - Stop the clock, that's all you have to do !
  

NOTES:

1. So to START or STOP it use  load  or  unload .
   
   
2. To make it survive a boot, add the  -w  switch.
   
   
3. Be carefull if you do NOT have a firewall running or others will try to use your server too !
   
   
4. As long as you have NOT mucked around with the named files in /var/named/ or /etc/named.conf all the defaults are ok.
   
   
5. This trick will work for both Leopard (and Tiger too) client and server versions of OS-X.
   
   
6. Check the logfile more /Library/Logs/named.log often, because periodic may not know about it.
   
   
7. Do not forget to add it as your primary DNS in your network prefs.
   - Your more /etc/resolv.conf should have nameserver 127.0.0.1 as the top server.
   
   
8. And as a BONUS, it will even resolve ip-v6 names for you too !
   
   
9. Wanna have some fun, use
   
   Little Snitch and watch named go nuts !
   
   

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10. Or edit the plist,
    /System/Library/LaunchDaemons/org.isc.named.plist
    with Lingon or nano