Domains with multiple hosts being improperly cached. [BIND 9.2.2]

[Pete Ehlke]

On Thu, Aug 07, 2003 at 09:57:39AM -0700, Martin Glaude wrote:
> I run a webserver hosting a few domains.  Each domain has an entry for
> "domain.com" and another for "www.domain.com".  In most cases the
> "www" domain is a CNAME, but I've also tried with A records.  See
> below for an example.
> 
> The problem is that I can query for the "domain.com" address and get a
> proper response (after a brief delay).  However, if I then query for
> "www.domain.com", I get a SERVFAIL error immediately - as though the
> local computer never queried the server.  The reverse case
> ("www.domain.com" then "domain.com") still results in a success on the
> first query, then failures.  Queries to the second domain only seem to
> work after the cache-time of the first one has expired and things
> start from fresh once again.
> 
> -----------------------------------------------------
> Example hosts file:
> 
> [root at www marty]# cat /var/named/simaltech.com.hosts
> $ttl 38400
> simaltech.com.  IN      SOA     66.206.231.25. martin.simaltech.com. (
>                         1051192071
>                         10800
>                         3600
>                         604800
>                         38400 )
> simaltech.com.          IN      NS      66.206.231.25.

NS records point to canonical names, not to IP addresses. There is no
TLD "25." on the public internet.