DNS question
Madison Kelly
linux-5ZoueyuiTZhBDgjK7y7TUQ at public.gmane.org
Wed Jan 14 21:32:49 UTC 2004
Hi everyone,
I am venturing tentatively and carefully into DNS (Bind 9.2.2) with
the help of my trusty O'Reilly book but I have hit a snag that I am
hoping someone here might be able to help me over. Here's the setup:
I have two machines on two public IP addresses (209.167.86.46 =
ns1.alteeve.com, 209.167.86.38 = ns2.alteeve.com) which currently are
behind a firewall blocking port 53 (I am waiting for our ISP admins to
respond to fix that). In the mean time though I have made pretty sure
that the config file and zone files are okay (using 'named-checkconf'
and 'named-checkzone') and everything looks okay.
Now, knowing that the DNS servers are not yet available on the web I
decided to try testting the servers on the LAN behind the firewall. To
verify that the ports are up and listening I used 'nmap' to check the
ns1.alteeve.com server; ports 22, 53, 111 and 1026 are accessible (from
behind the FW only). I have 'named' running, too.
Now despite all this when I try to use 'dig' or 'nslookup'
(specifying the local IP as the server as the name 'ns[1|2].alteeve.com'
will not resolve until the DNS servers are live) I get server timeout
(can't connect). Now, the DNS is configured for the zone 'madisonave.ca'
so that is what I try to resolve in the following examples of what goes
wrong:
[root-uRZ2/RANkOA at public.gmane.org boot]# dig @209.167.68.46 madisonave.ca
; <<>> DiG 9.2.2-P3 <<>> @209.167.68.46 madisonave.ca
;; global options: printcmd
;; connection timed out; no servers could be reached
[root-uRZ2/RANkOA at public.gmane.org boot]#
[root-uRZ2/RANkOA at public.gmane.org boot]# nslookup
Note: nslookup is deprecated and may be removed from future releases.
Consider using the `dig' or `host' programs instead. Run nslookup with
the `-sil[ent]' option to prevent this message from appearing.
> server 209.167.86.46
Default server: 209.167.86.46
Address: 209.167.86.46#53
> madisonave.ca
;; connection timed out; no servers could be reached
>
Would it help if I posted 'named.conf' and zone files?
Thanks everyone!
Madison
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