denied update from [an IP I don't know] for "my domain"

[Barry Finkel]

Régis" <regis at grison.org> wrote (in part):

>> Here is the message number (it is the real one, I didn't change anything):
>> Feb 20 20:40:46 mensmagna named[14052]: denied update from
>> [138.89.40.249].3971 for "aades.com" IN

"sanjay" <indianlinuxuser at yahoo.com> replied:

> It must be coming from Win 2K machine(stupid MS). It is a bug actually in
> win 2k.

The message means that a machine at IP address

     138.89.40.249

sent in a dynamic DNS request to your DNS server, and your DNS server
refused to honor the request because you have not authorized DDNS
from that IP address.

There is no proof that the machine at address

     138.89.40.249

is a W2k machine.  That IP address is registered in DNS as

     ns1.bellatlantic.net

and I doubt that BellAtlantic (aka Verizon) would be running BIND
8.2.5-REL on a W2k server.  I (and others) believe that Microsoft made
a design flaw when it made W2k workstations self-register (via DDNS) as
the default.  It is a bad choice of defaults, it is NOT a bug.

As for why that nameserver is sending a DDNS packet to your DNS server,
you need to contact

     dnsadmin at bellatlantic.net

That is the e-mail address in the SOA for the 

     40.89.138.in-addr.arpa

zone.
----------------------------------------------------------------------
Barry S. Finkel
Electronics and Computing Technologies Division
Argonne National Laboratory          Phone:    +1 (630) 252-7277
9700 South Cass Avenue               Facsimile:+1 (630) 252-4601
Building 222, Room D209              Internet: BSFinkel at anl.gov
Argonne, IL   60439-4828             IBMMAIL:  I1004994