very strange DNS problem, making me lose mymind

[Zscoundrel]

The default nameserver for yiour ISP may not handle .EDU domains.  My 
dafault is "whois.crsnic.net" and they only do .com, .net, and .edu so I 
can't lookup some of the websites that I manage.

Walker (Zachary) Tippit wrote:

>Does anyone know why I wouldn't be able to lookup a
>hostname from any of my networks, but the rest of the
>world can look it up just  fine?  
>
>The domain in question is nbbc.edu.  It can be looked
>up from everywhere but my name servers, which seem to
>be operating just peachy.  
>
>
>unsuccessful lookup:
>
>[root at ns1 named]# host -v www.nbbc.edu
>Trying null domain
>Trying domain "mydomain"
>rcode = 3 (Non-existent domain), ancount=0
>Trying null domain
>Host not found, try again.
>[root at ns1 named]# 
>
>
>It works if I use their name server(by IP)
>
>[root at ns1 named]# host -v www.nbbc.edu 207.250.169.11
>Using domain server 207.250.169.11:
>Trying null domain
>rcode = 0 (Success), ancount=1
>The following answer is not verified as authentic by
>the server:
>www.nbbc.edu    38400 IN        A       207.250.169.8
>For authoritative answers, see:
>nbbc.edu        38400 IN        NS      ns2.nbbc.edu
>nbbc.edu        38400 IN        NS      ns1.nbbc.edu
>Additional information:
>ns1.nbbc.edu    38400 IN        A       207.250.169.11
>ns1.nbbc.edu    38400 IN        A      
>207.250.169.111
>ns2.nbbc.edu    38400 IN        A       207.250.169.12
>ns2.nbbc.edu    38400 IN        A      
>207.250.169.112
>[root at ns1 named]# 
>
>but not if I use their nameserver's name:
>[root at ns1 named]# host -v www.nbbc.edu ns1.nbbc.edu
>Error in looking up server name:
>[root at ns1 named]# 
>
>However, it works from another machine on an entirely
>different but similar network:
>[root at mail named]# host www.nbbc.edu
>www.nbbc.edu has address 207.250.169.8
>[root at mail named]# 
>
>I'm using bind 8.3.1-REL .. 
>I just don't get it.. It's like my name server isn't
>going through the lookup process correctly, but this
>is the only domain affected.  ????????
>
>Thanks all,
>WT
>  
>