can't see nameserver externally

[Davenport, Steve M]

Hello,
 
I noticed that one of our nameservers is no longer responding with the
correct address externally. The server is  ns-2.hosp.utmck.edu and is
listed as a server in the registration record for utmck.edu. The address
should be 165.6.6.27 but a dig/nslookup from an external site returns
165.6.144.1. We do not have 165.6.144.1 in any of the zone files, but
this address is the external address of a broadband service manager in
our network. Using dig/nslookup on the local network verifies that
165.6.144.1 is not in the zone files or cache of our nameservers. The
name and address of our ns-2 resolve correctly internally. Can someone
please tell me how to identify and correct this problem.
 
$ORIGIN edu.
utmck       IN      NS      ns-2.hosp.utmck.edu.
                IN      NS      harley.mc.utmck.edu.
                IN      A       165.6.57.12
                IN      MX      10 chewy2.mc.utmck.edu.
                IN      MX      20 chewy.mc.utmck.edu.
                IN      SOA     165.6.131.32. root.harley.mc.utmck.edu.
( 200284
19 10800 1800 604800 7200 )
...
$ORIGIN hosp.utmck.edu.
ns-2          IN      A       165.6.6.27
...
$ORIGIN mc.utmck.edu.
harley        IN      A       165.6.131.32
 
Thanks for your help, Steve
 
 
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