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Re: caching nameserver

 

på et rh62 system er min fejlmeddelelser flg.

[root@server named]# nslookup webserver.kapow.dk localhost
Server:  localhost
Address:  127.0.0.1

Name:    webserver.kapow.dk
Address:  194.239.250.74

[root@server named]# nslookup webserver.kapow.dk server
*** Can't find server name for address 130.226.209.2: Non-existent
host/domain
*** Default servers are not available
[root@server named]#

Nedenfor følger udsnit af mine konfigurationsfiler (et hurtigt forsøg på
at få det til at virke ud fra caching-nameserver.rpm og DNS-howto).


mvh
Nikolaj

========================================================================
[root@server named]# /etc/rc.d/init.d/named status
named 8.2.2-P5 Mon Feb 28 10:17:53 EST 2000
root@xxxxxxxxxxxxxxxxxxxxxx:/usr/src/bs/BUILD/bind-8.2.2_P5/src/bin/named
number of zones allocated: 64
debug level: 0
xfers running: 0
xfers deferred: 0
soa queries in progress: 0
query logging is OFF
server is DONE priming
server IS NOT loading its configuration

========================================================================
[root@server named]# cat /etc/named.conf
// generated by named-bootconf.pl

options {
        directory "/var/named";
};
//
// a caching only nameserver config
//
zone "." {
        type hint;
        file "named.ca";
};

zone "0.0.127.in-addr.arpa" {
        type master;
        file "named.local";
};

zone "kapow.dk" {
      type master;
      file "named.kapow";
};

zone "229.226.130.in-addr.arpa" {
      type master;
      file "named.rev-kapow";
};

========================================================================
[root@server named]# cat /var/named/named.local
@       IN      SOA     localhost. root.localhost.  (
                                      1997022700 ; Serial
                                      28800      ; Refresh
                                      14400      ; Retry
                                      3600000    ; Expire
                                      86400 )    ; Minimum
              IN      NS      localhost.

1       IN      PTR     localhost.

========================================================================
[root@server named]# cat /var/named/named.kapow
$TTL  24H
@    IN      SOA    tux.kapow.dk.  hostmaster.tux.kapow.dk. (
                    199901121       ; serial, todays date + todays serial
#
                    8H         ; Refresh
                    2H         ; Retry
                    1W         ; Expire
                    1D )       ; Default TTL (Time To Live)

      IN      NS      tux.kapow.dk.

; local mail is distributed on tux
      IN      MX      10 tux      ; Primary Mail Exchanger

tux       IN    A      130.226.209.101
; some aliases for my machine
;
; Extras
;
@               TXT     "kapow, your DNS"
; added some info on the second machine:
win95      IN   A       130.226.209.102
; a shortcut for sslug  => sslug.kapow :))
sslug   IN A    192.38.71.98
;
; give "localhost.kapow" and "loopback.kapow"  IP address 127.0.0.1
localhost IN A  127.0.0.1
loopback  IN A  127.0.0.1

kapow.dk.               IN      NS       ns.digiweb2.dk.
kapow.dk.               IN      NS       ns2.digiweb2.dk.
kapow.dk.               IN      A      194.239.250.74
;www                     IN      CNAME      kapow.dk.
pop                     IN      A      195.41.82.145
smtp                    IN      A      195.41.82.145
kapow.dk.               IN      MX      10 mail.kapow.dk.
mail.kapow.dk.          IN      A       194.239.250.110
server.kapow.dk.        IN      A       130.226.209.2
webserver               IN      A       194.239.250.74
.......

========================================================================
[root@server named]# cat /var/named/named.rev-kapow
;
; BIND reverse data file for 130.226.209.x / .kapow eth0 interface
;
$TTL  24H
@       IN      SOA     tux.kapow. hostmaster.tux.kapow. (
                       199901121       ; serial, todays date + todays
serial#
                            8H         ; Refresh
                            2H         ; Retry
                            1W         ; Expire
                            1D )       ; Default TTL (Time To Live)

        IN    NS      tux.kapow.
;
;@              NS      ns.kapow.

1         IN    PTR     tux.kapow.
2         IN    PTR     win95.kapow.
; denne reverse fil er ikke lavet færdig
========================================================================




On Thu, 26 Oct 2000, MONZ wrote:

> Kapow drift wrote:
> > 
> > når jeg skriver
> > 
> > nslookup some.server name.server
> > 
> > (hvor name.server = localhost's rigtige IP)
> > 
> > kan det vel ikke være galt med resolv.conf den er gal med, altså når
> > 
> > nslookup some.server localhost
> > 
> > virker. Jeg slår iøvrigt et domæne op, som den cachende nameserver er
> > ansvarlig for.
> 
> Jamen, hvad står der så i din /var/named/named.localhost? Noget a la`:
>   localhost       IN      A       127.0.0.1
>   loopback        IN      CNAME   localhost.
> 
> Du har jo nok indsat 'localhost IN A 127.0.0.1' i din domain.dk fil...
> 
> I /etc/named.conf har du nok ozze noget a la`:
>   zone "localhost" {
>           type master;
>           file "named.localhost";
>   };
> 
> Du _kunne_ jo mangle et terminerende '.' et eller andet sted...
> -- 
> Regards,
>               Mogens Valentin
>     Networking - Security - Programming
>   Linux configuration and troubleshooting
> http://www.danbbs.dk/~monz - monz@xxxxxxxxx
> 



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