CNAME Configuration Behaviour
Ravi Kondamuru
ravisai at netscaler.com
Wed Apr 18 20:28:38 UTC 2001
How do I know if recursion is enabled on abc.com name server? any command?
thanks,
- Ravi.
-----Original Message-----
From: Kevin Darcy [mailto:kcd at daimlerchrysler.com]
Sent: Wednesday, April 18, 2001 1:21 PM
To: bind-users at isc.org
Subject: Re: CNAME Configuration Behaviour
Does the abc.com nameserver have recursion turned on? If you want it to
resolve
names outside of its authoritative zones (e.g. the www.cs.abc.com A record),
then you need to turn on recursion.
- Kevin
Ravi Kondamuru wrote:
> Hi everyone,
>
> I am trying to configure my DNS. Here is what I am trying to do.
>
> I am trying to alias www.abc.com to www.cs.abc.com
>
> The problem is arising as cs.abc.com is a delegated sub-domain to a
> different name server.
>
> When I request for www.abc.com and see the DNS queries on a sniffer trace,
> here is what I observe.
>
> The abc.com nameserver returns a Answer Record, saying that www.abc.com is
> www.cs.abc.com. and gives the IP address of ns.cs.abc.com, which is the
> nameserver of the delegated sub-domain. But the client name server doesnt
> send a query to ns.cs.abc.com to figure out the IP address of
> www.cs.abc.com.
>
> Can anyone please point out if this is a problem with the client name
server
> or with the name server configuration on any of the two nameserver
> ns.abc.com, ns.cs.abc.com
>
> Configuration on ns.abc.com (name server for abc.com)
>
> www 1D IN CNAME www.cs
> cs 1D IN NS ns.cs
> ns.cs 1D IN A 1.2.3.4
>
> Configuration on ns.cs.abc.com (name server for the sub-domain cs.abc.com)
>
> www 1D IN A 2.3.4.5
> ns 1D IN A 1.2.3.4
>
> thanks for any pointers about issues in the concept, or configuration and
> your time,
> - Ravi.
> -------------------------------------
> Ravi Kondamuru
> NetScaler Inc
>
> He who fears something gives it power over him.
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