"Nameserver not responding"

Barry Margolin barmar at genuity.net
Thu Jul 12 19:40:08 UTC 2001


In article <9ikstu$ae6 at pub3.rc.vix.com>,  <steffen at netventure.dk> wrote:
>I am currently running into some problems with my freshly installed
>DNS server on a RedHat 7 system(ip: 62.242.186.227). I am fairly new
>to DNS, and have therefore purchased the O'reilly "DNS.."3rd edt.
>After some troubles with the DNS initially, i decided to "copy" the
>examples in the book, but it still doesn't work.
>I am situated in Denmark and are testing the nameserver with:
>http://www.dk-hostmaster.dk/res2IPnouk.shtml
>which is a service hosted by the administrator for the Danish Top
>Level Domain.
>I can ping the server and ping from the server.
>No errors in /var/log/messages.

What domain is your server hosting?

>My IP-range is 62.242.186.224/28 [62.242.186.225 - 62.242.186.238] but
>i have configured the DNS as 62.242.186/24. Does this matter? If yes,
>how to reconfigure.

Since I don't get an answer even when I query your server for the root NS
records, I have a suspicion that there's a firewall blocking DNS
connections to your server.  Check your Linux packet filtering
configurations to make sure it's not blocking TCP and UDP port 53.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Burlington, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.


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