Curious log entries

Wed Aug 25 20:22:04 UTC 1999

I recent noticed these entries (there are more) in my syslogs.  I curious if
this could be the a DOS attack or just someone poking around.  Should I be
concerned?

Aug 25 11:58:56 athena named[80321]: unapproved update from
[209.204.145.52].4593 for 145.204.209.in-addr.arpa
Aug 25 12:08:58 athena named[80321]: unapproved update from
[209.204.145.52].4644 for 145.204.209.in-addr.arpa

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Kelsey Cummings
System Administrator
NetEase, Inc.
kc at neteze.com
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