[Sussex] DNS Hack attack?

[Macdonald-Wallace, Matthew J]

All,

Anyone know what the following mean? I've been mailed it by a friend who
doesn't understand his DNS logs.  Neither do I! :o)

All answers on a postcard please no later than... ;o)

TIA,

Matt

-----
These are entries in my message log. Could any one comment on the meaning of

"dangling CNAME ...",  don't know any such addresses (a3.x... or gd15....)
Am I being hacked? If so, what would it be the best way to block such
attack?
Hope I'm only paranoid.

Thanks, Mario.


Nov 11 10:16:05 ns inetd[485]: auth/tcp: bind: Address already in use
Nov 11 10:23:26 ns named[517]: dangling CNAME pointer (a3.x.a.yimg.com)
Nov 11 10:23:27 ns named[517]: dangling CNAME pointer (a3.x.a.yimg.com)
Nov 11 10:26:05 ns inetd[485]: auth/tcp: bind: Address already in use
Nov 11 10:26:24 ns named[517]: dangling CNAME pointer (gd15.doubleclick.net)
Nov 11 10:26:25 ns named[517]: dangling CNAME pointer (gd15.doubleclick.net)
Nov 11 10:34:01 ns gpm[615]: No data
Nov 11 10:36:05 ns inetd[485]: auth/tcp: bind: Address already in use


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