topic Re: DNS resolution in Operating System - HP-UX

DNS resolution

Sirius Black — Wed, 31 Mar 2004 08:50:23 GMT

Hi all,
I've this problem; when I make a nslookup of a name which exist in my DNS, the resolution of this name it'ok. If I try to resolve a name which is not in my DNS's db I see the follow output:

***************************************
Name Server: mynameserver
Address: myipnameserver

Trying DNS
Trying NIS
looking up FILES
*** No address information is available for "noindns"
***************************************
this should be ok , but why the resolution is trying to resolv with a NIS ?
I will show you my nsswitch.con file:

**********************************
passwd: files
group: files
host: dns [NOTFOUND=continue UNAVAILABLE=continue TRYAGAIN=continue ] files
networks: files
protocols: files
rpc: files
publickey: files
netgroup: files
automount: files
aliases: files
services: files
**********************************

and this is the resolv.conf
**********************************
domain netmgmt.tsf.it
nameserver 127.0.0.1
**********************************
I've the same configuration in many other machine and no one of them gives me this output when I try to resolv a name not in DNS's db.
Thanks a lot
Fabrizio

Re: DNS resolution

Karthik S S — Wed, 31 Mar 2004 08:56:17 GMT

I think it is because of the spelling problem in the nsswitch.conf file,

Change the entry from,

host: dns [NOTFOUND=continue UNAVAILABLE=continue TRYAGAIN=continue ] files

to

hosts: dns [NOTFOUND=continue UNAVAILABLE=continue TRYAGAIN=continue ] files

-Karthik S S

Re: DNS resolution

piotr wienckiewicz — Wed, 31 Mar 2004 08:56:34 GMT

try
hosts: dns [NOTFOUND=continue] files

Re: DNS resolution

Charlie Rubeor — Wed, 31 Mar 2004 09:02:30 GMT

The hosts line in your nsswitch.conf line should start with "hosts:", not "host:"

That might not solve the problem, but I would start there.

Re: DNS resolution

Sirius Black — Wed, 31 Mar 2004 09:07:19 GMT

Ok,
I solve my problem changing host in hosts as tell me the first answer.
thanks a lot