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Re: bind problem




----- Original Message ----- From: "Paul Howarth" <paul city-fan org>
To: "For users of Fedora Core releases" <fedora-list redhat com>
Sent: Thursday, April 07, 2005 7:19 PM
Subject: Re: bind problem



List wrote:

On Thu, 2005-04-07 at 13:34 +0800, List wrote:

Hi List,

I had fresh install FC3. Bind is running properly, its is resolving locally.
But whatever domain i binded to it, it will not resolve globally. I have
IPtables runing, and port 53 is open.


What domain are you referring to? Post its name here and we can diagnose
why it's not resolving.


The said domain is dwsmedia.info with PDNS advanced.anonns.com and SDNS brilliance.anonns.com. I am trying to bind it to advanced.anonns.com

$ dig dwsmedia.info +trace


; <<>> DiG 9.3.1 <<>> dwsmedia.info +trace
;; global options:  printcmd
.                       444990  IN      NS      D.ROOT-SERVERS.NET.
.                       444990  IN      NS      E.ROOT-SERVERS.NET.
.                       444990  IN      NS      F.ROOT-SERVERS.NET.
.                       444990  IN      NS      G.ROOT-SERVERS.NET.
.                       444990  IN      NS      H.ROOT-SERVERS.NET.
.                       444990  IN      NS      I.ROOT-SERVERS.NET.
.                       444990  IN      NS      J.ROOT-SERVERS.NET.
.                       444990  IN      NS      K.ROOT-SERVERS.NET.
.                       444990  IN      NS      L.ROOT-SERVERS.NET.
.                       444990  IN      NS      M.ROOT-SERVERS.NET.
.                       444990  IN      NS      A.ROOT-SERVERS.NET.
.                       444990  IN      NS      B.ROOT-SERVERS.NET.
.                       444990  IN      NS      C.ROOT-SERVERS.NET.
;; Received 388 bytes from 10.1.0.54#53(10.1.0.54) in 1 ms

info.                   172800  IN      NS      TLD1.ULTRADNS.NET.
info.                   172800  IN      NS      TLD2.ULTRADNS.NET.
info.                   172800  IN      NS      TLD3.ULTRADNS.ORG.
info.                   172800  IN      NS      TLD4.ULTRADNS.ORG.
info.                   172800  IN      NS      TLD5.ULTRADNS.info.
info.                   172800  IN      NS      TLD6.ULTRADNS.CO.UK.
;; Received 288 bytes from 128.8.10.90#53(D.ROOT-SERVERS.NET) in 106 ms

dwsmedia.info.          86400   IN      NS      brilliance.anonns.com.
dwsmedia.info.          86400   IN      NS      advanced.anonns.com.
;; Received 89 bytes from 204.74.112.1#53(TLD1.ULTRADNS.NET) in 66 ms

dig: couldn't get address for 'brilliance.anonns.com': not found

The problem here is that the DNS for the domain "anonns.com" that your nameservers are in is broken. The name "brilliance.anonns.com" is not resolvable, and this will cause problems for any domain using these nameservers.

Since you say you are "trying to bind it to advanced.anonns.com", it seems that you may be aware of this problem and are trying to work around it. To do this you would need to remove "brilliance.anonns.com" as one of the listed nameservers for your domain at your domain registry. However, that would leave you with only one delegated nameserver, which is not a great idea anyway from a reliability point of view, and that nameserver is in the domain anonns.com, which has its own DNS problems (brilliance.anonns.com is also a listed nameserver for the anonns.com domain). I would suggest instead that you moved your DNS hosting elsewhere, perhaps even hosting it yourself if you have a suitable machine with a reliable 24/7 connection, and then using an external service for secondary DNS.

Both machines are running 24/7 hosted in a data centre. They are meant to be PDNS and SDNS for all the domains we are hosting. You said that domain anonns.com has its own problem. Can you tell me what problem? And if that problem is solved, i presume PDNS advanced.anonns.com will be able to resolve any domains which is binded to it. For the domain dwsmedia.info, at the registrar end, I had set advanced.anonns.com as the Pri DNS and brilliance.anonns.com as the Sec DNS. Should dwsmedia.info be pointed to advanced.anonns.com instead?


Thanks for your help


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